diff --git a/composer.json b/composer.json
index bdd9c63ee..74aa4f31e 100644
--- a/composer.json
+++ b/composer.json
@@ -59,7 +59,7 @@
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     "require-dev": {
         "symfony/stopwatch": "5.4.5",
-        "phpunit/phpunit": "9.5.17",
+        "phpunit/phpunit": "9.5.18",
         "roave/security-advisories": "dev-master"
     }
 }
\ No newline at end of file
diff --git a/composer.lock b/composer.lock
index d8ea22f81..cf493dfd5 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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         "This file is @generated automatically"
     ],
-    "content-hash": "60da8df5fb4285006859229e59008c17",
+    "content-hash": "c74ebee4580cad354e07054486a0913a",
     "packages": [
         {
             "name": "christian-riesen/base32",
@@ -1860,16 +1860,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.5.17",
+            "version": "9.5.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "5c5abcfaa2cbd44b2203995d7a339ef910fe0c8f"
+                "reference": "1b5856028273bfd855e60a887278857d872ec67a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/5c5abcfaa2cbd44b2203995d7a339ef910fe0c8f",
-                "reference": "5c5abcfaa2cbd44b2203995d7a339ef910fe0c8f",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/1b5856028273bfd855e60a887278857d872ec67a",
+                "reference": "1b5856028273bfd855e60a887278857d872ec67a",
                 "shasum": ""
             },
             "require": {
@@ -1947,7 +1947,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.5.17"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.5.18"
             },
             "funding": [
                 {
@@ -1959,7 +1959,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-03-05T16:54:31+00:00"
+            "time": "2022-03-08T06:52:28+00:00"
         },
         {
             "name": "roave/security-advisories",