diff --git a/core/composer.lock b/core/composer.lock
index 97e044ef0a..0e9d8ad4b5 100644
--- a/core/composer.lock
+++ b/core/composer.lock
@@ -4598,16 +4598,16 @@
         },
         {
             "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": {
@@ -4688,7 +4688,7 @@
             ],
             "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": [
                 {
@@ -4704,7 +4704,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2026-04-27T06:59:24+00:00"
+            "time": "2026-06-14T19:53:12+00:00"
         },
         {
             "name": "phpstan/phpdoc-parser",