diff --git a/composer.json b/composer.json
index 1ba64f47..b292e6c5 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
 		"REDCap", "ETL", "REDCap-ETL"
 	],
 	"require" : {
-        "phpseclib/phpseclib" : "3.0.23",
+        "phpseclib/phpseclib" : "3.0.34",
         "iu-redcap/redcap-etl" : "2.3.3"
 	},
 	"autoload" : {
diff --git a/composer.lock b/composer.lock
index 218def06..3d9e626e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "eefa6233f745f6d94f31ccb0e273a1c6",
+    "content-hash": "3f8bb3ef4ce7e1b3c5f398f2e31a088c",
     "packages": [
         {
             "name": "iu-redcap/phpcap",
@@ -200,16 +200,16 @@
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "3.0.23",
+            "version": "3.0.34",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "866cc78fbd82462ffd880e3f65692afe928bed50"
+                "reference": "56c79f16a6ae17e42089c06a2144467acc35348a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/866cc78fbd82462ffd880e3f65692afe928bed50",
-                "reference": "866cc78fbd82462ffd880e3f65692afe928bed50",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/56c79f16a6ae17e42089c06a2144467acc35348a",
+                "reference": "56c79f16a6ae17e42089c06a2144467acc35348a",
                 "shasum": ""
             },
             "require": {
@@ -302,7 +302,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-09-18T17:22:01+00:00"
+            "time": "2023-11-27T11:13:31+00:00"
         }
     ],
     "packages-dev": [],