diff --git a/composer.json b/composer.json
index aa8b6360..d046a76b 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     "ergebnis/composer-normalize": "^2.20.0",
     "ergebnis/license": "^1.1.0",
     "phpstan/extension-installer": "^1.1.0",
-    "phpstan/phpstan": "^1.5.3",
+    "phpstan/phpstan": "^1.5.4",
     "phpstan/phpstan-deprecation-rules": "^1.0.0",
     "phpstan/phpstan-phpunit": "^1.1.0",
     "phpstan/phpstan-strict-rules": "^1.1.0",
diff --git a/composer.lock b/composer.lock
index 1c3d8bd6..90f1c512 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": "6b54383234a927b1bc54321c86744e72",
+    "content-hash": "e9f4c39388ad43aaccf1eff124324f40",
     "packages": [],
     "packages-dev": [
         {
@@ -1862,16 +1862,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.5.3",
+            "version": "1.5.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "39953ac1452a8843702ee41a35b4861d3e8207a7"
+                "reference": "bbf68cae24f6dc023c607ea0f87da55dd9d55c2b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/39953ac1452a8843702ee41a35b4861d3e8207a7",
-                "reference": "39953ac1452a8843702ee41a35b4861d3e8207a7",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/bbf68cae24f6dc023c607ea0f87da55dd9d55c2b",
+                "reference": "bbf68cae24f6dc023c607ea0f87da55dd9d55c2b",
                 "shasum": ""
             },
             "require": {
@@ -1897,7 +1897,7 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/1.5.3"
+                "source": "https://github.com/phpstan/phpstan/tree/1.5.4"
             },
             "funding": [
                 {
@@ -1917,7 +1917,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-03-30T21:55:08+00:00"
+            "time": "2022-04-03T12:39:00+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",