diff --git a/composer.json b/composer.json
index 27f0074e..250bf1a4 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     "infection/infection": "~0.17.3",
     "jangregor/phpstan-prophecy": "~0.8.0",
     "phpspec/prophecy-phpunit": "^2.0.1",
-    "phpstan/extension-installer": "^1.0.4",
+    "phpstan/extension-installer": "^1.0.5",
     "phpstan/phpstan": "~0.12.40",
     "phpstan/phpstan-deprecation-rules": "~0.12.5",
     "phpstan/phpstan-phpunit": "~0.12.16",
diff --git a/composer.lock b/composer.lock
index 24c4132d..8e469105 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": "126791536b6f67791f0570c841a91ad7",
+    "content-hash": "241d0545695da8c4c56f54492ff5b546",
     "packages": [
         {
             "name": "clue/stream-filter",
@@ -4626,30 +4626,30 @@
         },
         {
             "name": "phpstan/extension-installer",
-            "version": "1.0.4",
+            "version": "1.0.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/extension-installer.git",
-                "reference": "2e041def501d661b806f50000c8a4dccbd4907b4"
+                "reference": "5c2da3846819f951385cb6a25d3277051481c48a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/extension-installer/zipball/2e041def501d661b806f50000c8a4dccbd4907b4",
-                "reference": "2e041def501d661b806f50000c8a4dccbd4907b4",
+                "url": "https://api.github.com/repos/phpstan/extension-installer/zipball/5c2da3846819f951385cb6a25d3277051481c48a",
+                "reference": "5c2da3846819f951385cb6a25d3277051481c48a",
                 "shasum": ""
             },
             "require": {
                 "composer-plugin-api": "^1.1 || ^2.0",
-                "php": "^7.1",
+                "php": "^7.1 || ^8.0",
                 "phpstan/phpstan": ">=0.11.6"
             },
             "require-dev": {
                 "composer/composer": "^1.8",
                 "consistence/coding-standard": "^3.8",
-                "dealerdirect/phpcodesniffer-composer-installer": "^0.4.4",
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.7.0",
                 "ergebnis/composer-normalize": "^2.0.2",
-                "jakub-onderka/php-parallel-lint": "^1.0",
                 "phing/phing": "^2.16",
+                "php-parallel-lint/php-parallel-lint": "^1.2.0",
                 "phpstan/phpstan-strict-rules": "^0.11",
                 "slevomat/coding-standard": "^5.0.4"
             },
@@ -4667,7 +4667,7 @@
                 "MIT"
             ],
             "description": "Composer plugin for automatic installation of PHPStan extensions",
-            "time": "2020-03-31T16:00:42+00:00"
+            "time": "2020-08-30T12:06:42+00:00"
         },
         {
             "name": "phpstan/phpstan",