diff --git a/composer.json b/composer.json
index 150fa3e412..b6db9e2cb3 100644
--- a/composer.json
+++ b/composer.json
@@ -83,10 +83,9 @@
     "lucatume/wp-browser": "3.2.3",
     "lucatume/wp-snaphot-assertions": "^1.1",
     "phpcompatibility/phpcompatibility-wp": "*",
-    "phpstan/extension-installer": "^1.3",
     "phpstan/phpstan": "^1.10",
     "phpstan/phpstan-deprecation-rules": "^1.1",
-    "phpunit/phpunit": "^6.5",
+    "phpunit/phpunit": "^7.5",
     "spatie/phpunit-snapshot-assertions": "^1.4.2",
     "szepeviktor/phpstan-wordpress": "*",
     "the-events-calendar/coding-standards": "dev-main",