diff --git a/README.md b/README.md
index 3178225..55108c1 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ which can be integrated as library into Icinga Web 2.
 ## Requirements
 
 * [Icinga Web 2](https://github.com/Icinga/icingaweb2) (>= 2.9)
-* PHP (>= 7.2)
+* PHP (>= 7.2.9)
 
 ## Installation
 
diff --git a/composer.json b/composer.json
index b08ff4e..c443b0f 100644
--- a/composer.json
+++ b/composer.json
@@ -7,14 +7,14 @@
     "config": {
         "sort-packages": true,
         "platform": {
-            "php": "7.2"
+            "php": "7.2.9"
         }
     },
     "support": {
         "issues": "https://github.com/Icinga/icinga-php-thirdparty/issues"
     },
     "require": {
-        "php": ">=7.2 <=8.1",
+        "php": ">=7.2.9 <=8.2",
         "ext-curl": "*",
         "clue/block-react": "^1",
         "clue/connection-manager-extra": "^1",