diff --git a/composer.lock b/composer.lock
index e6c944a..8e4df23 100644
--- a/composer.lock
+++ b/composer.lock
@@ -657,16 +657,16 @@
         },
         {
             "name": "paragonie/constant_time_encoding",
-            "version": "v2.4.0",
+            "version": "v2.6.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/paragonie/constant_time_encoding.git",
-                "reference": "f34c2b11eb9d2c9318e13540a1dbc2a3afbd939c"
+                "reference": "58c3f47f650c94ec05a151692652a868995d2938"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/paragonie/constant_time_encoding/zipball/f34c2b11eb9d2c9318e13540a1dbc2a3afbd939c",
-                "reference": "f34c2b11eb9d2c9318e13540a1dbc2a3afbd939c",
+                "url": "https://api.github.com/repos/paragonie/constant_time_encoding/zipball/58c3f47f650c94ec05a151692652a868995d2938",
+                "reference": "58c3f47f650c94ec05a151692652a868995d2938",
                 "shasum": ""
             },
             "require": {
@@ -720,7 +720,7 @@
                 "issues": "https://github.com/paragonie/constant_time_encoding/issues",
                 "source": "https://github.com/paragonie/constant_time_encoding"
             },
-            "time": "2020-12-06T15:14:20+00:00"
+            "time": "2022-06-14T06:56:20+00:00"
         },
         {
             "name": "paragonie/random_compat",
@@ -967,16 +967,16 @@
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "3.0.7",
+            "version": "3.0.19",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "d369510df0ebd5e1a5d0fe3d4d23c55fa87a403d"
+                "reference": "cc181005cf548bfd8a4896383bb825d859259f95"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/d369510df0ebd5e1a5d0fe3d4d23c55fa87a403d",
-                "reference": "d369510df0ebd5e1a5d0fe3d4d23c55fa87a403d",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/cc181005cf548bfd8a4896383bb825d859259f95",
+                "reference": "cc181005cf548bfd8a4896383bb825d859259f95",
                 "shasum": ""
             },
             "require": {
@@ -985,11 +985,10 @@
                 "php": ">=5.6.1"
             },
             "require-dev": {
-                "phing/phing": "~2.7",
-                "phpunit/phpunit": "^5.7|^6.0|^9.4",
-                "squizlabs/php_codesniffer": "~2.0"
+                "phpunit/phpunit": "*"
             },
             "suggest": {
+                "ext-dom": "Install the DOM extension to load XML formatted public keys.",
                 "ext-gmp": "Install the GMP (GNU Multiple Precision) extension in order to speed up arbitrary precision integer arithmetic operations.",
                 "ext-libsodium": "SSH2/SFTP can make use of some algorithms provided by the libsodium-php extension.",
                 "ext-mcrypt": "Install the Mcrypt extension in order to speed up a few other cryptographic operations.",
@@ -1058,7 +1057,7 @@
             ],
             "support": {
                 "issues": "https://github.com/phpseclib/phpseclib/issues",
-                "source": "https://github.com/phpseclib/phpseclib/tree/3.0.7"
+                "source": "https://github.com/phpseclib/phpseclib/tree/3.0.19"
             },
             "funding": [
                 {
@@ -1074,7 +1073,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-04-06T14:00:11+00:00"
+            "time": "2023-03-05T17:13:09+00:00"
         },
         {
             "name": "psr/cache",