diff --git a/composer.json b/composer.json
index 6296fc50a1c..bc3715da47c 100644
--- a/composer.json
+++ b/composer.json
@@ -111,7 +111,7 @@
         "behat/mink-selenium2-driver": "1.7.0",
         "friends-of-behat/mink-extension": "2.7.5",
         "php-parallel-lint/php-var-dump-check": "^0.5",
-        "phpstan/extension-installer": "1.4.2",
+        "phpstan/extension-installer": "1.4.3",
         "phpstan/phpstan": "1.12.0",
         "phpstan/phpstan-doctrine": "1.5.3",
         "phpstan/phpstan-phpunit": "1.4.0",
diff --git a/composer.lock b/composer.lock
index 922176dec63..2fbc1a00d60 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": "74db690ffd80ddb100ee1be3aeedb860",
+    "content-hash": "a77248e8ecae73fb79facec1d2e417e1",
     "packages": [
         {
             "name": "aws/aws-crt-php",
@@ -8633,22 +8633,22 @@
         },
         {
             "name": "phpstan/extension-installer",
-            "version": "1.4.2",
+            "version": "1.4.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/extension-installer.git",
-                "reference": "46c8219b3fb0deb3fc08301e8f0797d321d17dcd"
+                "reference": "85e90b3942d06b2326fba0403ec24fe912372936"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/extension-installer/zipball/46c8219b3fb0deb3fc08301e8f0797d321d17dcd",
-                "reference": "46c8219b3fb0deb3fc08301e8f0797d321d17dcd",
+                "url": "https://api.github.com/repos/phpstan/extension-installer/zipball/85e90b3942d06b2326fba0403ec24fe912372936",
+                "reference": "85e90b3942d06b2326fba0403ec24fe912372936",
                 "shasum": ""
             },
             "require": {
                 "composer-plugin-api": "^2.0",
                 "php": "^7.2 || ^8.0",
-                "phpstan/phpstan": "^1.9.0"
+                "phpstan/phpstan": "^1.9.0 || ^2.0"
             },
             "require-dev": {
                 "composer/composer": "^2.0",
@@ -8675,9 +8675,9 @@
             ],
             "support": {
                 "issues": "https://github.com/phpstan/extension-installer/issues",
-                "source": "https://github.com/phpstan/extension-installer/tree/1.4.2"
+                "source": "https://github.com/phpstan/extension-installer/tree/1.4.3"
             },
-            "time": "2024-08-26T07:38:00+00:00"
+            "time": "2024-09-04T20:21:43+00:00"
         },
         {
             "name": "phpstan/phpstan",