diff --git a/package.json b/package.json
index bfc6737..292429d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@eppo/js-client-sdk",
-  "version": "3.8.0",
+  "version": "3.8.1",
   "description": "Eppo SDK for client-side JavaScript applications",
   "main": "dist/index.js",
   "files": [
@@ -59,7 +59,7 @@
     "webpack-cli": "^4.10.0"
   },
   "dependencies": {
-    "@eppo/js-client-sdk-common": "^4.5.1"
+    "@eppo/js-client-sdk-common": "^4.5.3"
   },
   "packageManager": "yarn@1.22.22+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
 }
diff --git a/yarn.lock b/yarn.lock
index 767a67a..d1e01a0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -380,15 +380,16 @@
   resolved "https://registry.yarnpkg.com/@discoveryjs/json-ext/-/json-ext-0.5.7.tgz#1d572bfbbe14b7704e0ba0f39b74815b84870d70"
   integrity sha512-dBVuXR082gk3jsFp7Rd/JI4kytwGHecnCoTtXFb7DB6CNHp4rg5k1bhg0nWdLGLnOV71lmDzGQaLMy8iPLY0pw==
 
-"@eppo/js-client-sdk-common@^4.5.1":
-  version "4.5.1"
-  resolved "https://registry.yarnpkg.com/@eppo/js-client-sdk-common/-/js-client-sdk-common-4.5.1.tgz#010710be7c9fff53de7ff3b4ee7bb70d8bc46c64"
-  integrity sha512-b9o5whrX/mR3+YTjFh2X5gZ/KkAN/LHGfPt6O6yMVpdwSFhzoH4KOAjYQtaeUch0RJFuiI+r4pp9M392OB0cvg==
+"@eppo/js-client-sdk-common@^4.5.3":
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/@eppo/js-client-sdk-common/-/js-client-sdk-common-4.5.3.tgz#feda68ed2c9472ae0c865bc3ab78284b3b3af66b"
+  integrity sha512-2WaGJ/rWsNJ4JijequG8sYg9FQ1OQEW3FD6ObtXBpzeuDXAzz2/TfiFRBpbFOvWrtBiJTOuQ9WwKuP91F79YMQ==
   dependencies:
+    buffer "npm:@eppo/buffer@6.2.0"
     js-base64 "^3.7.7"
-    md5 "^2.3.0"
     pino "^8.19.0"
     semver "^7.5.4"
+    spark-md5 "^3.0.2"
     uuid "^8.3.2"
 
 "@eslint-community/eslint-utils@^4.2.0":
@@ -1722,6 +1723,14 @@ buffer@^6.0.3:
     base64-js "^1.3.1"
     ieee754 "^1.2.1"
 
+"buffer@npm:@eppo/buffer@6.2.0":
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/@eppo/buffer/-/buffer-6.2.0.tgz#c073617a106ec710e83835edd593ab55ad2b25a1"
+  integrity sha512-3SP9je+cXr2tHRCwG38P862MjjNALoM4/FGR5ciqjTb6xpJpJxHI1mg0ORwn0Shu8Prn6mUpqqzyAxCvszb8uw==
+  dependencies:
+    base64-js "^1.3.1"
+    ieee754 "^1.2.1"
+
 call-bind@^1.0.0, call-bind@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.2.tgz#b1d4e89e688119c3c9a903ad30abb2f6a919be3c"
@@ -1772,11 +1781,6 @@ char-regex@^1.0.2:
   resolved "https://registry.yarnpkg.com/char-regex/-/char-regex-1.0.2.tgz#d744358226217f981ed58f479b1d6bcc29545dcf"
   integrity sha512-kWWXztvZ5SBQV+eRgKFeh8q5sLuZY2+8WUIzlxWVTg+oGwY14qylx1KbKzHd8P6ZYkAg0xyIDU9JMHhyJMZ1jw==
 
-charenc@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
-  integrity sha512-yrLQ/yVUFXkzg7EDQsPieE/53+0RlaWTs+wBrvW36cyilJ2SaDWfl4Yj7MtLTXleV9uEKefbAGUPv2/iWSooRA==
-
 chrome-trace-event@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/chrome-trace-event/-/chrome-trace-event-1.0.3.tgz#1015eced4741e15d06664a957dbbf50d041e26ac"
@@ -1953,11 +1957,6 @@ cross-spawn@^7.0.2, cross-spawn@^7.0.3:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
-crypt@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/crypt/-/crypt-0.0.2.tgz#88d7ff7ec0dfb86f713dc87bbb42d044d3e6c41b"
-  integrity sha512-mCxBlsHFYh9C+HVpiEacem8FEBnMXgU9gy4zmNC+SXAZNB/1idgp/aulFJ4FgCi7GPEVbfyng092GqL2k2rmow==
-
 cssom@^0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.5.0.tgz#d254fa92cd8b6fbd83811b9fbaed34663cc17c36"
@@ -2876,11 +2875,6 @@ is-boolean-object@^1.1.0:
     call-bind "^1.0.2"
     has-tostringtag "^1.0.0"
 
-is-buffer@~1.1.6:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
-  integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
-
 is-callable@^1.1.4, is-callable@^1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.4.tgz#47301d58dd0259407865547853df6d61fe471945"
@@ -3728,15 +3722,6 @@ makeerror@1.0.12:
   dependencies:
     tmpl "1.0.5"
 
-md5@^2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/md5/-/md5-2.3.0.tgz#c3da9a6aae3a30b46b7b0c349b87b110dc3bda4f"
-  integrity sha512-T1GITYmFaKuO91vxyoQMFETst+O71VUPEU3ze5GNzDm0OWdP8v1ziTaAEPUr/3kLsY3Sftgz242A1SetQiDL7g==
-  dependencies:
-    charenc "0.0.2"
-    crypt "0.0.2"
-    is-buffer "~1.1.6"
-
 merge-stream@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/merge-stream/-/merge-stream-2.0.0.tgz#52823629a14dd00c9770fb6ad47dc6310f2c1f60"
@@ -4467,6 +4452,11 @@ source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
   integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
+spark-md5@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/spark-md5/-/spark-md5-3.0.2.tgz#7952c4a30784347abcee73268e473b9c0167e3fc"
+  integrity sha512-wcFzz9cDfbuqe0FZzfi2or1sgyIrsDwmPwfZC4hiNidPdPINjeUwNfv5kldczoEAcjl9Y1L3SM7Uz2PUEQzxQw==
+
 split2@^4.0.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/split2/-/split2-4.2.0.tgz#c9c5920904d148bab0b9f67145f245a86aadbfa4"