diff --git a/composer.lock b/composer.lock
index 1f90c9d..a23f964 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,10 +1,9 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "hash": "886f2b00ba4635914884ca3da5d53d27",
     "content-hash": "3cc19152106f4b8808be439649d594ca",
     "packages": [
         {
@@ -47,7 +46,7 @@
                 "hashing",
                 "password"
             ],
-            "time": "2014-11-20 16:49:30"
+            "time": "2014-11-20T16:49:30+00:00"
         },
         {
             "name": "knplabs/gaufrette",
@@ -129,20 +128,20 @@
                 "filesystem",
                 "media"
             ],
-            "time": "2014-08-19 13:42:49"
+            "time": "2014-08-19T13:42:49+00:00"
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "2.0.3",
+            "version": "2.0.31",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "41f85e9c2582b3f6d1b7d20395fb40c687ad5370"
+                "reference": "233a920cb38636a43b18d428f9a8db1f0a1a08f4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/41f85e9c2582b3f6d1b7d20395fb40c687ad5370",
-                "reference": "41f85e9c2582b3f6d1b7d20395fb40c687ad5370",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/233a920cb38636a43b18d428f9a8db1f0a1a08f4",
+                "reference": "233a920cb38636a43b18d428f9a8db1f0a1a08f4",
                 "shasum": ""
             },
             "require": {
@@ -150,8 +149,7 @@
             },
             "require-dev": {
                 "phing/phing": "~2.7",
-                "phpunit/phpunit": "~4.0",
-                "sami/sami": "~2.0",
+                "phpunit/phpunit": "^4.8.35|^5.7|^6.0|^9.4",
                 "squizlabs/php_codesniffer": "~2.0"
             },
             "suggest": {
@@ -221,7 +219,25 @@
                 "x.509",
                 "x509"
             ],
-            "time": "2016-08-18 18:49:14"
+            "support": {
+                "issues": "https://github.com/phpseclib/phpseclib/issues",
+                "source": "https://github.com/phpseclib/phpseclib/tree/2.0.31"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/terrafrost",
+                    "type": "github"
+                },
+                {
+                    "url": "https://www.patreon.com/phpseclib",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/phpseclib/phpseclib",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-04-06T13:56:45+00:00"
         },
         {
             "name": "slim/slim",
@@ -267,7 +283,7 @@
                 "rest",
                 "router"
             ],
-            "time": "2015-03-08 18:41:17"
+            "time": "2015-03-08T18:41:17+00:00"
         },
         {
             "name": "tuupola/slim-basic-auth",
@@ -315,7 +331,7 @@
                 "middleware",
                 "slim"
             ],
-            "time": "2015-08-10 20:01:55"
+            "time": "2015-08-10T20:01:55+00:00"
         }
     ],
     "packages-dev": [],
@@ -327,5 +343,6 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.0.0"
 }