diff --git a/oauth2handler/composer.lock b/oauth2handler/composer.lock
index 05f0c5f..b86e178 100644
--- a/oauth2handler/composer.lock
+++ b/oauth2handler/composer.lock
@@ -676,24 +676,26 @@
         },
         {
             "name": "paragonie/constant_time_encoding",
-            "version": "v2.6.3",
+            "version": "v3.1.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/paragonie/constant_time_encoding.git",
-                "reference": "58c3f47f650c94ec05a151692652a868995d2938"
+                "reference": "d5b01a39b3415c2cd581d3bd3a3575c1ebbd8e77"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/paragonie/constant_time_encoding/zipball/58c3f47f650c94ec05a151692652a868995d2938",
-                "reference": "58c3f47f650c94ec05a151692652a868995d2938",
+                "url": "https://api.github.com/repos/paragonie/constant_time_encoding/zipball/d5b01a39b3415c2cd581d3bd3a3575c1ebbd8e77",
+                "reference": "d5b01a39b3415c2cd581d3bd3a3575c1ebbd8e77",
                 "shasum": ""
             },
             "require": {
-                "php": "^7|^8"
+                "php": "^8"
             },
             "require-dev": {
-                "phpunit/phpunit": "^6|^7|^8|^9",
-                "vimeo/psalm": "^1|^2|^3|^4"
+                "infection/infection": "^0",
+                "nikic/php-fuzzer": "^0",
+                "phpunit/phpunit": "^9|^10|^11",
+                "vimeo/psalm": "^4|^5|^6"
             },
             "type": "library",
             "autoload": {
@@ -739,7 +741,7 @@
                 "issues": "https://github.com/paragonie/constant_time_encoding/issues",
                 "source": "https://github.com/paragonie/constant_time_encoding"
             },
-            "time": "2022-06-14T06:56:20+00:00"
+            "time": "2025-09-24T15:06:41+00:00"
         },
         {
             "name": "paragonie/random_compat",
@@ -793,20 +795,20 @@
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "3.0.18",
+            "version": "3.0.51",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "f28693d38ba21bb0d9f0c411ee5dae2b178201da"
+                "reference": "d59c94077f9c9915abb51ddb52ce85188ece1748"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/f28693d38ba21bb0d9f0c411ee5dae2b178201da",
-                "reference": "f28693d38ba21bb0d9f0c411ee5dae2b178201da",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/d59c94077f9c9915abb51ddb52ce85188ece1748",
+                "reference": "d59c94077f9c9915abb51ddb52ce85188ece1748",
                 "shasum": ""
             },
             "require": {
-                "paragonie/constant_time_encoding": "^1|^2",
+                "paragonie/constant_time_encoding": "^1|^2|^3",
                 "paragonie/random_compat": "^1.4|^2.0|^9.99.99",
                 "php": ">=5.6.1"
             },
@@ -883,7 +885,7 @@
             ],
             "support": {
                 "issues": "https://github.com/phpseclib/phpseclib/issues",
-                "source": "https://github.com/phpseclib/phpseclib/tree/3.0.18"
+                "source": "https://github.com/phpseclib/phpseclib/tree/3.0.51"
             },
             "funding": [
                 {
@@ -899,7 +901,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-12-17T18:26:50+00:00"
+            "time": "2026-04-10T01:33:53+00:00"
         },
         {
             "name": "psr/cache",
@@ -1275,10 +1277,10 @@
     "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {},
     "prefer-stable": false,
     "prefer-lowest": false,
-    "platform": [],
-    "platform-dev": [],
-    "plugin-api-version": "2.0.0"
+    "platform": {},
+    "platform-dev": {},
+    "plugin-api-version": "2.9.0"
 }