diff --git a/composer.lock b/composer.lock
index 55ee36d..39ee244 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1070,16 +1070,16 @@
         },
         {
             "name": "paragonie/random_compat",
-            "version": "v1.4.2",
+            "version": "v1.4.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/paragonie/random_compat.git",
-                "reference": "965cdeb01fdcab7653253aa81d40441d261f1e66"
+                "reference": "9b3899e3c3ddde89016f576edb8c489708ad64cd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/965cdeb01fdcab7653253aa81d40441d261f1e66",
-                "reference": "965cdeb01fdcab7653253aa81d40441d261f1e66",
+                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/9b3899e3c3ddde89016f576edb8c489708ad64cd",
+                "reference": "9b3899e3c3ddde89016f576edb8c489708ad64cd",
                 "shasum": ""
             },
             "require": {
@@ -1114,20 +1114,25 @@
                 "pseudorandom",
                 "random"
             ],
-            "time": "2017-03-13T16:22:52+00:00"
+            "support": {
+                "email": "info@paragonie.com",
+                "issues": "https://github.com/paragonie/random_compat/issues",
+                "source": "https://github.com/paragonie/random_compat"
+            },
+            "time": "2018-04-04T21:48:54+00:00"
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "2.0.5",
+            "version": "2.0.31",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "f8dd0e18d2328c447dd4190fecd11ef52680d968"
+                "reference": "233a920cb38636a43b18d428f9a8db1f0a1a08f4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/f8dd0e18d2328c447dd4190fecd11ef52680d968",
-                "reference": "f8dd0e18d2328c447dd4190fecd11ef52680d968",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/233a920cb38636a43b18d428f9a8db1f0a1a08f4",
+                "reference": "233a920cb38636a43b18d428f9a8db1f0a1a08f4",
                 "shasum": ""
             },
             "require": {
@@ -1135,8 +1140,7 @@
             },
             "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": {
@@ -1206,7 +1210,25 @@
                 "x.509",
                 "x509"
             ],
-            "time": "2017-05-08T05:58:35+00:00"
+            "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": "predis/predis",
@@ -3749,5 +3771,6 @@
     "platform": {
         "php": ">=5.5.9"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.0.0"
 }