diff --git a/composer.json b/composer.json
index 3a1c1c6..489fa49 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
         "lcobucci/jwt": "4.1.5",
         "defuse/php-encryption": "2.3.1",
         "nicolab/php-ftp-client": "1.5.5",
-        "phpseclib/phpseclib": "3.0.10"
+        "phpseclib/phpseclib": "3.0.19"
     },
     "autoload": {
         "psr-4": {
diff --git a/composer.lock b/composer.lock
index c3b06e6..4559fc2 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "d04e9d3c9202919310d7e79f71b1e4dd",
+    "content-hash": "389e16f3db9560723fc168f5f7df5b35",
     "packages": [
         {
             "name": "apix/log",
@@ -646,16 +646,16 @@
         },
         {
             "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": {
@@ -709,7 +709,7 @@
                 "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",
@@ -763,16 +763,16 @@
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "3.0.10",
+            "version": "3.0.19",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "62fcc5a94ac83b1506f52d7558d828617fac9187"
+                "reference": "cc181005cf548bfd8a4896383bb825d859259f95"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/62fcc5a94ac83b1506f52d7558d828617fac9187",
-                "reference": "62fcc5a94ac83b1506f52d7558d828617fac9187",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/cc181005cf548bfd8a4896383bb825d859259f95",
+                "reference": "cc181005cf548bfd8a4896383bb825d859259f95",
                 "shasum": ""
             },
             "require": {
@@ -781,11 +781,10 @@
                 "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.",
@@ -854,7 +853,7 @@
             ],
             "support": {
                 "issues": "https://github.com/phpseclib/phpseclib/issues",
-                "source": "https://github.com/phpseclib/phpseclib/tree/3.0.10"
+                "source": "https://github.com/phpseclib/phpseclib/tree/3.0.19"
             },
             "funding": [
                 {
@@ -870,7 +869,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-08-16T04:24:45+00:00"
+            "time": "2023-03-05T17:13:09+00:00"
         },
         {
             "name": "psr/http-message",
@@ -2122,5 +2121,5 @@
         "ext-intl": "*"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.3.0"
 }