diff --git a/composer.json b/composer.json
index 68cf5d893..8b8997f3f 100644
--- a/composer.json
+++ b/composer.json
@@ -46,7 +46,7 @@
 		"pear/pear-core-minimal": "^1.10",
 		"php-http/guzzle7-adapter": "^1.1.0",
 		"php-opencloud/openstack": "^3.14",
-		"phpseclib/phpseclib": "^2.0.54",
+		"phpseclib/phpseclib": "^2.0.55",
 		"pimple/pimple": "^3.6.0",
 		"psr/clock": "^1.0",
 		"psr/container": "^2.0.2",
diff --git a/composer.lock b/composer.lock
index ae08cddea..5f5aa8c7a 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": "b428b66dda3b3049960ce06ee7b8a839",
+    "content-hash": "553899461536a8b0c6846b45a483402a",
     "packages": [
         {
             "name": "aws/aws-crt-php",
@@ -2927,16 +2927,16 @@
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "2.0.54",
+            "version": "2.0.55",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "a96a835067c39ee7a709329fe70869817da18081"
+                "reference": "d73c9e019a895be83b18a2ccccfa7e2b0a648743"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/a96a835067c39ee7a709329fe70869817da18081",
-                "reference": "a96a835067c39ee7a709329fe70869817da18081",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/d73c9e019a895be83b18a2ccccfa7e2b0a648743",
+                "reference": "d73c9e019a895be83b18a2ccccfa7e2b0a648743",
                 "shasum": ""
             },
             "require": {
@@ -3017,7 +3017,7 @@
             ],
             "support": {
                 "issues": "https://github.com/phpseclib/phpseclib/issues",
-                "source": "https://github.com/phpseclib/phpseclib/tree/2.0.54"
+                "source": "https://github.com/phpseclib/phpseclib/tree/2.0.55"
             },
             "funding": [
                 {
@@ -3033,7 +3033,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-04-27T06:59:24+00:00"
+            "time": "2026-06-14T19:53:12+00:00"
         },
         {
             "name": "pimple/pimple",
@@ -6415,7 +6415,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^8.2",
+        "php": "^8.3",
         "ext-ctype": "*",
         "ext-mbstring": "*"
     },