diff --git a/.woodpecker/functional-tests.yml b/.woodpecker/functional-tests.yml
index 74fd9d1..3d3f916 100644
--- a/.woodpecker/functional-tests.yml
+++ b/.woodpecker/functional-tests.yml
@@ -4,6 +4,8 @@ workspace:
 
 matrix:
   include:
+    - FLOW_VERSION: 6.3
+      PHP_VERSION: 7.4
     - FLOW_VERSION: 7.3
       PHP_VERSION: 8.1
     - FLOW_VERSION: 8.3
diff --git a/composer.json b/composer.json
index a096c66..38c3d32 100644
--- a/composer.json
+++ b/composer.json
@@ -4,9 +4,9 @@
     "description": "",
     "require": {
         "cardinalby/content-disposition": "^1.1",
-        "neos/eel": "^7.3 | ^8.3",
-        "neos/flow": "^7.3 | ^8.3",
-        "php": "^8.0"
+        "neos/eel": "^6.3 | ^7.3 | ^8.3",
+        "neos/flow": "^6.3 | ^7.3 | ^8.3",
+        "php": "^7.4 | ^8.0"
     },
     "autoload": {
         "psr-4": {