diff --git a/.github/workflows/create-snapshot.yml b/.github/workflows/create-snapshot.yml
index ac04a57..d3097a2 100644
--- a/.github/workflows/create-snapshot.yml
+++ b/.github/workflows/create-snapshot.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '5.6'
+          php-version: '8.2'
 
       - name: Create snapshot/nightly
         if: success()
diff --git a/README.md b/README.md
index 55108c1..756d59f 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 (>= 7.2.9)
+* PHP (>= 8.2)
 
 ## Installation
 
diff --git a/RELEASE.md b/RELEASE.md
index db94aeb..6206829 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -8,4 +8,4 @@ e.g.
 
 ## Docker Example
 
-    docker run -it -v $(pwd):/tmp/pwd -w /tmp/pwd -v $(realpath ~/.gitconfig):/tmp/user/.gitconfig -e "HOME=/tmp/user" -u $(id -u):$(id -g) dev-docker_web72 bin/make-release.sh 1.0.0 --no-tag
+    docker run -it -v $(pwd):/tmp/pwd -w /tmp/pwd -v $(realpath ~/.gitconfig):/tmp/user/.gitconfig -e "HOME=/tmp/user" -u $(id -u):$(id -g) dev-docker_web82 bin/make-release.sh 1.0.0 --no-tag
diff --git a/composer.json b/composer.json
index 497df52..e0c2648 100644
--- a/composer.json
+++ b/composer.json
@@ -6,9 +6,6 @@
     "license": "MIT",
     "config": {
         "sort-packages": true,
-        "platform": {
-            "php": "7.2.9"
-        },
         "allow-plugins": {
             "cweagans/composer-patches": true
         }
@@ -17,7 +14,7 @@
         "issues": "https://github.com/Icinga/icinga-php-thirdparty/issues"
     },
     "require": {
-        "php": ">=7.2.9 <=8.2",
+        "php": ">=8.2",
         "ext-curl": "*",
         "clue/block-react": "^1.5",
         "clue/connection-manager-extra": "^1.3",
@@ -73,9 +70,6 @@
     "extra": {
         "composer-exit-on-patch-failure": true,
         "patches": {
-            "ramsey/collection": {
-                "Collection: Add PHP 8.1 support": "patches/ramsey-collection.patch"
-            },
             "shardj/zf1-future": {
                 "ZF1-Future: ZF backward compatibility": "patches/shardj-zf1-future.patch"
             }