diff --git a/composer.lock b/composer.lock
index 516398bf148769602331aa3f1ec8cdb0b59cd073..f06751e7816d415270c880b55e513c2c131bf6fa 100644
--- a/composer.lock
+++ b/composer.lock
@@ -718,16 +718,16 @@
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "3.0.20",
+            "version": "3.0.21",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "543a1da81111a0bfd6ae7bbc2865c5e89ed3fc67"
+                "reference": "4580645d3fc05c189024eb3b834c6c1e4f0f30a1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/543a1da81111a0bfd6ae7bbc2865c5e89ed3fc67",
-                "reference": "543a1da81111a0bfd6ae7bbc2865c5e89ed3fc67",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/4580645d3fc05c189024eb3b834c6c1e4f0f30a1",
+                "reference": "4580645d3fc05c189024eb3b834c6c1e4f0f30a1",
                 "shasum": ""
             },
             "require": {
@@ -808,7 +808,7 @@
             ],
             "support": {
                 "issues": "https://github.com/phpseclib/phpseclib/issues",
-                "source": "https://github.com/phpseclib/phpseclib/tree/3.0.20"
+                "source": "https://github.com/phpseclib/phpseclib/tree/3.0.21"
             },
             "funding": [
                 {
@@ -824,7 +824,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-06-13T06:30:34+00:00"
+            "time": "2023-07-09T15:24:48+00:00"
         },
         {
             "name": "psr/cache",