diff --git a/composer.json b/composer.json
index a12cf70ad..a4837a6bf 100644
--- a/composer.json
+++ b/composer.json
@@ -44,7 +44,7 @@
 		"pear/pear-core-minimal": "^1.10",
 		"php-http/guzzle7-adapter": "^1.1.0",
 		"php-opencloud/openstack": "^3.14",
-		"phpseclib/phpseclib": "^2.0.45",
+		"phpseclib/phpseclib": "^2.0.51",
 		"pimple/pimple": "^3.6.0",
 		"psr/clock": "^1.0",
 		"psr/container": "^2.0.2",
diff --git a/composer.lock b/composer.lock
index e7ef3a780..b187b8eee 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": "fde916feea46ab0fd4bad170c03bf3c8",
+    "content-hash": "fce6cdb0c3c7b6e258046839dd96370b",
     "packages": [
         {
             "name": "aws/aws-crt-php",
@@ -2791,16 +2791,16 @@
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "2.0.47",
+            "version": "2.0.51",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "b7d7d90ee7df7f33a664b4aea32d50a305d35adb"
+                "reference": "ed661e7cdaeb8c419e609e2f3203551a13c2ed48"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/b7d7d90ee7df7f33a664b4aea32d50a305d35adb",
-                "reference": "b7d7d90ee7df7f33a664b4aea32d50a305d35adb",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/ed661e7cdaeb8c419e609e2f3203551a13c2ed48",
+                "reference": "ed661e7cdaeb8c419e609e2f3203551a13c2ed48",
                 "shasum": ""
             },
             "require": {
@@ -2881,7 +2881,7 @@
             ],
             "support": {
                 "issues": "https://github.com/phpseclib/phpseclib/issues",
-                "source": "https://github.com/phpseclib/phpseclib/tree/2.0.47"
+                "source": "https://github.com/phpseclib/phpseclib/tree/2.0.51"
             },
             "funding": [
                 {
@@ -2897,7 +2897,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-02-26T04:55:38+00:00"
+            "time": "2026-01-27T09:11:52+00:00"
         },
         {
             "name": "pimple/pimple",
@@ -6311,5 +6311,5 @@
     "platform-overrides": {
         "php": "8.2.0"
     },
-    "plugin-api-version": "2.9.0"
+    "plugin-api-version": "2.6.0"
 }