diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d75bb02..f2e50bc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,8 +16,6 @@ jobs:
                 php-versions: ['8.0', '8.1']
                 neos-versions: ['8.3']
                 include:
-                  - php-versions: '7.3'
-                    neos-versions: '7.3'
                   - php-versions: '7.4'
                     neos-versions: '7.3'
                   - php-versions: '8.0'
diff --git a/composer.json b/composer.json
index 09c223c..513d2b6 100644
--- a/composer.json
+++ b/composer.json
@@ -4,6 +4,7 @@
     "name": "sitegeist/kaleidoscope",
     "license": "GPL-3.0-or-later",
     "require": {
+        "php": "^7.4 || ^8.0",
         "neos/neos": "^7.0 || ^8.0 || ^9.0 || dev-master",
         "neos/fusion-afx": "^7.0 || ^8.0 || ^9.0 || dev-master",
         "neos/media": "*",