diff --git a/functions/index.js b/functions/index.js
index 1343cb2..2bb8cad 100644
--- a/functions/index.js
+++ b/functions/index.js
@@ -1,6 +1,6 @@
 'use strict';
 
-const functions = require('firebase-functions');
+const functions = require('firebase-functions/v1');
 const { initializeApp } = require('firebase-admin/app');
 
 // We need to initialize the app before importing modules that want Firestore.
diff --git a/functions/package-lock.json b/functions/package-lock.json
index 3e15581..62d4e75 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -9,8 +9,8 @@
         "@google-cloud/logging": "^11.0.0",
         "@valkey/valkey-glide": "^2.0.1",
         "fastify": "^5.8.3",
-        "firebase-admin": "^12.1.0",
-        "firebase-functions": "^5.0.1"
+        "firebase-admin": "^13.5.0",
+        "firebase-functions": "^6.1.1"
       },
       "devDependencies": {
         "@types/node": "^24.1.0",
@@ -801,12 +801,10 @@
       "license": "MIT"
     },
     "node_modules/@fastify/busboy": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/@fastify/busboy/-/busboy-2.1.1.tgz",
-      "integrity": "sha512-vBZP4NlzfOlerQTnba4aqZoMhE/a9HY7HRqoOPaETQcSQuWEIyZMHGfVu6w9wGtGK5fED5qRs2DteVCjOH60sA==",
-      "engines": {
-        "node": ">=14"
-      }
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/@fastify/busboy/-/busboy-3.2.0.tgz",
+      "integrity": "sha512-m9FVDXU3GT2ITSe0UaMA5rU3QkfC/UXtCU8y0gSN/GugTqtVldOBWIB5V6V3sbmenVZUIpU6f+mPEO2+m5iTaA==",
+      "license": "MIT"
     },
     "node_modules/@fastify/error": {
       "version": "4.2.0",
@@ -908,79 +906,107 @@
       }
     },
     "node_modules/@firebase/app-check-interop-types": {
-      "version": "0.3.2",
-      "resolved": "https://registry.npmjs.org/@firebase/app-check-interop-types/-/app-check-interop-types-0.3.2.tgz",
-      "integrity": "sha512-LMs47Vinv2HBMZi49C09dJxp0QT5LwDzFaVGf/+ITHe3BlIhUiLNttkATSXplc89A2lAaeTqjgqVkiRfUGyQiQ=="
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/@firebase/app-check-interop-types/-/app-check-interop-types-0.3.3.tgz",
+      "integrity": "sha512-gAlxfPLT2j8bTI/qfe3ahl2I2YcBQ8cFIBdhAQA4I2f3TndcO+22YizyGYuttLHPQEpWkhmpFW60VCFEPg4g5A==",
+      "license": "Apache-2.0"
     },
     "node_modules/@firebase/app-types": {
-      "version": "0.9.2",
-      "resolved": "https://registry.npmjs.org/@firebase/app-types/-/app-types-0.9.2.tgz",
-      "integrity": "sha512-oMEZ1TDlBz479lmABwWsWjzHwheQKiAgnuKxE0pz0IXCVx7/rtlkx1fQ6GfgK24WCrxDKMplZrT50Kh04iMbXQ=="
+      "version": "0.9.4",
+      "resolved": "https://registry.npmjs.org/@firebase/app-types/-/app-types-0.9.4.tgz",
+      "integrity": "sha512-crX9TA5SVYZwLPG7/R16IsH8FLlgkPXjJUVhsVpHVDSqJiq3D/NuFTM5ctxGTExXAOeIn//69tQw47CPerM8MQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@firebase/logger": "0.5.0"
+      }
     },
     "node_modules/@firebase/auth-interop-types": {
-      "version": "0.2.3",
-      "resolved": "https://registry.npmjs.org/@firebase/auth-interop-types/-/auth-interop-types-0.2.3.tgz",
-      "integrity": "sha512-Fc9wuJGgxoxQeavybiuwgyi+0rssr76b+nHpj+eGhXFYAdudMWyfBHvFL/I5fEHniUM/UQdFzi9VXJK2iZF7FQ=="
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/@firebase/auth-interop-types/-/auth-interop-types-0.2.4.tgz",
+      "integrity": "sha512-JPgcXKCuO+CWqGDnigBtvo09HeBs5u/Ktc2GaFj2m01hLarbxthLNm7Fk8iOP1aqAtXV+fnnGj7U28xmk7IwVA==",
+      "license": "Apache-2.0"
     },
     "node_modules/@firebase/component": {
-      "version": "0.6.7",
-      "resolved": "https://registry.npmjs.org/@firebase/component/-/component-0.6.7.tgz",
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+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/@firebase/component/-/component-0.7.2.tgz",
+      "integrity": "sha512-iyVDGc6Vjx7Rm0cAdccLH/NG6fADsgJak/XW9IA2lPf8AjIlsemOpFGKczYyPHxm4rnKdR8z6sK4+KEC7NwmEg==",
+      "license": "Apache-2.0",
       "dependencies": {
-        "@firebase/util": "1.9.6",
+        "@firebase/util": "1.15.0",
         "tslib": "^2.1.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
       }
     },
     "node_modules/@firebase/database": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/@firebase/database/-/database-1.0.5.tgz",
-      "integrity": "sha512-cAfwBqMQuW6HbhwI3Cb/gDqZg7aR0OmaJ85WUxlnoYW2Tm4eR0hFl5FEijI3/gYPUiUcUPQvTkGV222VkT7KPw==",
-      "dependencies": {
-        "@firebase/app-check-interop-types": "0.3.2",
-        "@firebase/auth-interop-types": "0.2.3",
-        "@firebase/component": "0.6.7",
-        "@firebase/logger": "0.4.2",
-        "@firebase/util": "1.9.6",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@firebase/database/-/database-1.1.2.tgz",
+      "integrity": "sha512-lP96CMjMPy/+d1d9qaaHjHHdzdwvEOuyyLq9ehX89e2XMKwS1jHNzYBO+42bdSumuj5ukPbmnFtViZu8YOMT+w==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@firebase/app-check-interop-types": "0.3.3",
+        "@firebase/auth-interop-types": "0.2.4",
+        "@firebase/component": "0.7.2",
+        "@firebase/logger": "0.5.0",
+        "@firebase/util": "1.15.0",
         "faye-websocket": "0.11.4",
         "tslib": "^2.1.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
       }
     },
     "node_modules/@firebase/database-compat": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/@firebase/database-compat/-/database-compat-1.0.5.tgz",
-      "integrity": "sha512-NDSMaDjQ+TZEMDMmzJwlTL05kh1+0Y84C+kVMaOmNOzRGRM7VHi29I6YUhCetXH+/b1Wh4ZZRyp1CuWkd8s6hg==",
-      "dependencies": {
-        "@firebase/component": "0.6.7",
-        "@firebase/database": "1.0.5",
-        "@firebase/database-types": "1.0.3",
-        "@firebase/logger": "0.4.2",
-        "@firebase/util": "1.9.6",
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/@firebase/database-compat/-/database-compat-2.1.3.tgz",
+      "integrity": "sha512-GMyfWjD8mehjg/QpNkY/tl9G/MoeugPeg91n9D0atggxbWuKF/2KhVPHZDH+XmoP0EKYqMWYTtKxBsaBaNKLYQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@firebase/component": "0.7.2",
+        "@firebase/database": "1.1.2",
+        "@firebase/database-types": "1.0.19",
+        "@firebase/logger": "0.5.0",
+        "@firebase/util": "1.15.0",
         "tslib": "^2.1.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
       }
     },
     "node_modules/@firebase/database-types": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/@firebase/database-types/-/database-types-1.0.3.tgz",
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+      "version": "1.0.19",
+      "resolved": "https://registry.npmjs.org/@firebase/database-types/-/database-types-1.0.19.tgz",
+      "integrity": "sha512-FqewjUZmV9LqFfuEnmgdcUpiOUz7qwLXxnm/H8BcMFEzQXtd1yyUDm8ex5VRad2nuTE+ahOuCjUAM/cyDncO+g==",
+      "license": "Apache-2.0",
       "dependencies": {
-        "@firebase/app-types": "0.9.2",
-        "@firebase/util": "1.9.6"
+        "@firebase/app-types": "0.9.4",
+        "@firebase/util": "1.15.0"
       }
     },
     "node_modules/@firebase/logger": {
-      "version": "0.4.2",
-      "resolved": "https://registry.npmjs.org/@firebase/logger/-/logger-0.4.2.tgz",
-      "integrity": "sha512-Q1VuA5M1Gjqrwom6I6NUU4lQXdo9IAQieXlujeHZWvRt1b7qQ0KwBaNAjgxG27jgF9/mUwsNmO8ptBCGVYhB0A==",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/@firebase/logger/-/logger-0.5.0.tgz",
+      "integrity": "sha512-cGskaAvkrnh42b3BA3doDWeBmuHFO/Mx5A83rbRDYakPjO9bJtRL3dX7javzc2Rr/JHZf4HlterTW2lUkfeN4g==",
+      "license": "Apache-2.0",
       "dependencies": {
         "tslib": "^2.1.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
       }
     },
     "node_modules/@firebase/util": {
-      "version": "1.9.6",
-      "resolved": "https://registry.npmjs.org/@firebase/util/-/util-1.9.6.tgz",
-      "integrity": "sha512-IBr1MZbp4d5MjBCXL3TW1dK/PDXX4yOGbiwRNh1oAbE/+ci5Uuvy9KIrsFYY80as1I0iOaD5oOMA9Q8j4TJWcw==",
+      "version": "1.15.0",
+      "resolved": "https://registry.npmjs.org/@firebase/util/-/util-1.15.0.tgz",
+      "integrity": "sha512-AmWf3cHAOMbrCPG4xdPKQaj5iHnyYfyLKZxwz+Xf55bqKbpAmcYifB4jQinT2W9XhDRHISOoPyBOariJpCG6FA==",
+      "hasInstallScript": true,
+      "license": "Apache-2.0",
       "dependencies": {
         "tslib": "^2.1.0"
+      },
+      "engines": {
+        "node": ">=20.0.0"
       }
     },
     "node_modules/@google-cloud/common": {
@@ -1003,11 +1029,13 @@
       }
     },
     "node_modules/@google-cloud/firestore": {
-      "version": "7.7.0",
-      "resolved": "https://registry.npmjs.org/@google-cloud/firestore/-/firestore-7.7.0.tgz",
-      "integrity": "sha512-41/vBFXOeSYjFI/2mJuJrDwg2umGk+FDrI/SCGzBRUe+UZWDN4GoahIbGZ19YQsY0ANNl6DRiAy4wD6JezK02g==",
+      "version": "7.11.6",
+      "resolved": "https://registry.npmjs.org/@google-cloud/firestore/-/firestore-7.11.6.tgz",
+      "integrity": "sha512-EW/O8ktzwLfyWBOsNuhRoMi8lrC3clHM5LVFhGvO1HCsLozCOOXRAlHrYBoE6HL42Sc8yYMuCb2XqcnJ4OOEpw==",
+      "license": "Apache-2.0",
       "optional": true,
       "dependencies": {
+        "@opentelemetry/api": "^1.3.0",
         "fast-deep-equal": "^3.1.1",
         "functional-red-black-tree": "^1.0.1",
         "google-gax": "^4.3.3",
@@ -1731,6 +1759,16 @@
         "node": ">= 8"
       }
     },
+    "node_modules/@opentelemetry/api": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/@opentelemetry/api/-/api-1.9.1.tgz",
+      "integrity": "sha512-gLyJlPHPZYdAk1JENA9LeHejZe1Ti77/pTeFm/nMXmQH/HFZlcS/O2XJB+L8fkbrNSqhdtlvjBVjxwUYanNH5Q==",
+      "license": "Apache-2.0",
+      "optional": true,
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
     "node_modules/@pinojs/redact": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/@pinojs/redact/-/redact-0.4.0.tgz",
@@ -1892,13 +1930,15 @@
       }
     },
     "node_modules/@types/express": {
-      "version": "4.17.3",
-      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.3.tgz",
-      "integrity": "sha512-I8cGRJj3pyOLs/HndoP+25vOqhqWkAZsWMEmq1qXy/b/M3ppufecUwaK2/TVDVxcV61/iSdhykUjQQ2DLSrTdg==",
+      "version": "4.17.25",
+      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.25.tgz",
+      "integrity": "sha512-dVd04UKsfpINUnK0yBoYHDF3xu7xVH4BuDotC/xGuycx4CgbP48X/KF/586bcObxT0HENHXEU8Nqtu6NR+eKhw==",
+      "license": "MIT",
       "dependencies": {
         "@types/body-parser": "*",
-        "@types/express-serve-static-core": "*",
-        "@types/serve-static": "*"
+        "@types/express-serve-static-core": "^4.17.33",
+        "@types/qs": "*",
+        "@types/serve-static": "^1"
       }
     },
     "node_modules/@types/express-serve-static-core": {
@@ -2546,16 +2586,6 @@
         "node": "*"
       }
     },
-    "node_modules/bl": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
-      "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
-      "dependencies": {
-        "buffer": "^5.5.0",
-        "inherits": "^2.0.4",
-        "readable-stream": "^3.4.0"
-      }
-    },
     "node_modules/body-parser": {
       "version": "1.20.3",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.3.tgz",
@@ -2656,29 +2686,6 @@
         "node-int64": "^0.4.0"
       }
     },
-    "node_modules/buffer": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
-      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ],
-      "dependencies": {
-        "base64-js": "^1.3.1",
-        "ieee754": "^1.1.13"
-      }
-    },
     "node_modules/buffer-equal-constant-time": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
@@ -2793,11 +2800,6 @@
         "node": ">=10"
       }
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-    "node_modules/chownr": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
-      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg=="
-    },
     "node_modules/ci-info": {
       "version": "3.9.0",
       "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-3.9.0.tgz",
@@ -2965,6 +2967,15 @@
         "node": ">= 8"
       }
     },
+    "node_modules/data-uri-to-buffer": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-4.0.1.tgz",
+      "integrity": "sha512-0R9ikRb668HB7QDxT1vkpuUBtqc53YyAwMwGeUFKRojY/NWKvdZ+9UYtRfGmhqNbRkTSVpMbmyhXipFFv2cb/A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 12"
+      }
+    },
     "node_modules/debug": {
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.1.tgz",
@@ -2982,20 +2993,6 @@
         }
       }
     },
-    "node_modules/decompress-response": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-6.0.0.tgz",
-      "integrity": "sha512-aW35yZM6Bb/4oJlZncMH2LCoZtJXTRxES17vE3hoRiowU2kWHaJKFkSBDnDR+cm9J+9QhXmREyIfv0pji9ejCQ==",
-      "dependencies": {
-        "mimic-response": "^3.1.0"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
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       "resolved": "https://registry.npmjs.org/dedent/-/dedent-1.6.0.tgz",
@@ -3011,14 +3008,6 @@
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-    "node_modules/deep-extend": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
-      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
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       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -3069,14 +3058,6 @@
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-    "node_modules/detect-libc": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.0.3.tgz",
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@@ -3515,14 +3496,6 @@
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-      "resolved": "https://registry.npmjs.org/expand-template/-/expand-template-2.0.3.tgz",
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       "resolved": "https://registry.npmjs.org/expect/-/expect-29.7.0.tgz",
@@ -3619,17 +3592,13 @@
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-    "node_modules/farmhash": {
-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/farmhash/-/farmhash-3.3.1.tgz",
-      "integrity": "sha512-XUizHanzlr/v7suBr/o85HSakOoWh6HKXZjFYl5C2+Gj0f0rkw+XTUZzrd9odDsgI9G5tRUcF4wSbKaX04T0DQ==",
-      "hasInstallScript": true,
-      "dependencies": {
-        "node-addon-api": "^5.1.0",
-        "prebuild-install": "^7.1.2"
-      },
+    "node_modules/farmhash-modern": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/farmhash-modern/-/farmhash-modern-1.1.0.tgz",
+      "integrity": "sha512-6ypT4XfgqJk/F3Yuv4SX26I3doUjt0GTG4a+JgWxXQpxXzTBq8fPUeGHfcYMMDPHJHm3yPOSjaeBwBGAHWXCdA==",
+      "license": "MIT",
       "engines": {
-        "node": ">=10"
+        "node": ">=18.0.0"
       }
     },
     "node_modules/fast-decode-uri-component": {
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-        "github-from-package": "0.0.0",
-        "minimist": "^1.2.3",
-        "mkdirp-classic": "^0.5.3",
-        "napi-build-utils": "^1.0.1",
-        "node-abi": "^3.3.0",
-        "pump": "^3.0.0",
-        "rc": "^1.2.7",
-        "simple-get": "^4.0.0",
-        "tar-fs": "^2.0.0",
-        "tunnel-agent": "^0.6.0"
-      },
-      "bin": {
-        "prebuild-install": "bin.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/prelude-ls": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
@@ -6564,28 +6548,6 @@
         "node": ">= 0.8"
       }
     },
-    "node_modules/rc": {
-      "version": "1.2.8",
-      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
-      "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
-      "dependencies": {
-        "deep-extend": "^0.6.0",
-        "ini": "~1.3.0",
-        "minimist": "^1.2.0",
-        "strip-json-comments": "~2.0.1"
-      },
-      "bin": {
-        "rc": "cli.js"
-      }
-    },
-    "node_modules/rc/node_modules/strip-json-comments": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha512-4gB8na07fecVVkOI6Rs4e7T6NOTki5EmL7TUduTs6bu3EdnSycntVJ4re8kgZA+wx9IueI2Y11bfbgwtzuE0KQ==",
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/react-is": {
       "version": "18.3.1",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-18.3.1.tgz",
@@ -7057,49 +7019,6 @@
       "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==",
       "dev": true
     },
-    "node_modules/simple-concat": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.1.tgz",
-      "integrity": "sha512-cSFtAPtRhljv69IK0hTVZQ+OfE9nePi/rtJmw5UjHeVyVroEqJXP1sFztKUy1qU+xvz3u/sfYJLa947b7nAN2Q==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ]
-    },
-    "node_modules/simple-get": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-4.0.1.tgz",
-      "integrity": "sha512-brv7p5WgH0jmQJr1ZDDfKDOSeWWg+OVypG99A/5vYGPqJ6pxiaHLy8nxtFjBA7oMa01ebA9gfh1uMCFqOuXxvA==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ],
-      "dependencies": {
-        "decompress-response": "^6.0.0",
-        "once": "^1.3.1",
-        "simple-concat": "^1.0.0"
-      }
-    },
     "node_modules/sisteransi": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/sisteransi/-/sisteransi-1.0.5.tgz",
@@ -7325,33 +7244,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/tar-fs": {
-      "version": "2.1.4",
-      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-2.1.4.tgz",
-      "integrity": "sha512-mDAjwmZdh7LTT6pNleZ05Yt65HC3E+NiQzl672vQG38jIrehtJk/J3mNwIg+vShQPcLF/LV7CMnDW6vjj6sfYQ==",
-      "license": "MIT",
-      "dependencies": {
-        "chownr": "^1.1.1",
-        "mkdirp-classic": "^0.5.2",
-        "pump": "^3.0.0",
-        "tar-stream": "^2.1.4"
-      }
-    },
-    "node_modules/tar-stream": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.2.0.tgz",
-      "integrity": "sha512-ujeqbceABgwMZxEJnk2HDY2DlnUZ+9oEcb1KzTVfYHio0UE6dG71n60d8D2I4qNvleWrrXpmjpt7vZeF1LnMZQ==",
-      "dependencies": {
-        "bl": "^4.0.3",
-        "end-of-stream": "^1.4.1",
-        "fs-constants": "^1.0.0",
-        "inherits": "^2.0.3",
-        "readable-stream": "^3.1.1"
-      },
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/teeny-request": {
       "version": "9.0.0",
       "resolved": "https://registry.npmjs.org/teeny-request/-/teeny-request-9.0.0.tgz",
@@ -7493,20 +7385,10 @@
       "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="
     },
     "node_modules/tslib": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
-      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q=="
-    },
-    "node_modules/tunnel-agent": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
-      "integrity": "sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==",
-      "dependencies": {
-        "safe-buffer": "^5.0.1"
-      },
-      "engines": {
-        "node": "*"
-      }
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "license": "0BSD"
     },
     "node_modules/type-check": {
       "version": "0.4.0",
@@ -7686,6 +7568,15 @@
         "makeerror": "1.0.12"
       }
     },
+    "node_modules/web-streams-polyfill": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.3.3.tgz",
+      "integrity": "sha512-d2JWLCivmZYTSIoge9MsgFCZrt571BikcWGYkjC1khllbTeDlGqZ2D8vD8E/lJa8WGWbb7Plm8/XJYV7IJHZZw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
@@ -7695,6 +7586,7 @@
       "version": "0.7.4",
       "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.4.tgz",
       "integrity": "sha512-b17KeDIQVjvb0ssuSDF2cYXSg2iztliJ4B9WdsuB6J952qCPKmnVq4DyW5motImXHDC1cBT/1UezrJVsKw5zjg==",
+      "license": "Apache-2.0",
       "dependencies": {
         "http-parser-js": ">=0.5.1",
         "safe-buffer": ">=5.1.0",
@@ -7708,6 +7600,7 @@
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.4.tgz",
       "integrity": "sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==",
+      "license": "Apache-2.0",
       "engines": {
         "node": ">=0.8.0"
       }
diff --git a/functions/package.json b/functions/package.json
index 8a17626..c148e9a 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -17,8 +17,8 @@
     "@google-cloud/logging": "^11.0.0",
     "@valkey/valkey-glide": "^2.0.1",
     "fastify": "^5.8.3",
-    "firebase-admin": "^12.1.0",
-    "firebase-functions": "^5.0.1"
+    "firebase-admin": "^13.5.0",
+    "firebase-functions": "^6.1.1"
   },
   "devDependencies": {
     "@types/node": "^24.1.0",
diff --git a/functions/test/fcm-errors.test.js b/functions/test/fcm-errors.test.js
index 82fc2c5..1a3a9d7 100644
--- a/functions/test/fcm-errors.test.js
+++ b/functions/test/fcm-errors.test.js
@@ -39,7 +39,7 @@ const mockLogging = {
   })),
 };
 
-jest.mock('firebase-functions', () => mockFunctions);
+jest.mock('firebase-functions/v1', () => mockFunctions);
 jest.mock('@google-cloud/logging', () => ({
   Logging: jest.fn(() => mockLogging),
 }));
diff --git a/functions/test/handleRequest.test.js b/functions/test/handleRequest.test.js
index 0f96b3c..e6edaaf 100644
--- a/functions/test/handleRequest.test.js
+++ b/functions/test/handleRequest.test.js
@@ -47,7 +47,7 @@ const mockLogging = {
   })),
 };
 
-jest.mock('firebase-functions', () => mockFunctions);
+jest.mock('firebase-functions/v1', () => mockFunctions);
 jest.mock('@google-cloud/logging', () => ({
   Logging: jest.fn(() => mockLogging),
 }));
diff --git a/functions/test/rate-limiter/firestore-rate-limiter.test.js b/functions/test/rate-limiter/firestore-rate-limiter.test.js
index 1812dc0..cd0fbc3 100644
--- a/functions/test/rate-limiter/firestore-rate-limiter.test.js
+++ b/functions/test/rate-limiter/firestore-rate-limiter.test.js
@@ -34,7 +34,7 @@ jest.mock('firebase-admin/firestore', () => ({
   Timestamp: mockTimestamp,
 }));
 
-jest.mock('firebase-functions', () => ({
+jest.mock('firebase-functions/v1', () => ({
   logger: {
     info: jest.fn(),
   },
@@ -228,7 +228,7 @@ describe('FirestoreRateLimiter', () => {
 
   describe('Debug mode', () => {
     test('should not log in debug mode (removed debug logging)', async () => {
-      const functions = require('firebase-functions');
+      const functions = require('firebase-functions/v1');
       const rateLimiter = new FirestoreRateLimiter(maxNotificationsPerDay, true);
 
       await rateLimiter.recordAttempt(testToken);
diff --git a/functions/test/utils/firebase-mocks.js b/functions/test/utils/firebase-mocks.js
index 2ee837b..01c5ccf 100644
--- a/functions/test/utils/firebase-mocks.js
+++ b/functions/test/utils/firebase-mocks.js
@@ -39,7 +39,7 @@ const setupFirebaseMocks = () => {
   };
 
   // Set up Jest mocks
-  jest.mock('firebase-functions', () => mockFunctions);
+  jest.mock('firebase-functions/v1', () => mockFunctions);
   jest.mock('@google-cloud/logging', () => ({
     Logging: jest.fn(() => mockLogging),
   }));