diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 3e84eed..011c7ed 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -19,7 +19,7 @@ jobs:
   validate:
     name: "Validate Project"
 
-    uses: "mimmi20/ci/.github/workflows/validate.yml@master"
+    uses: "mimmi20/ci/.github/workflows/validate.yml@8.1"
     with:
       extensions: "ctype, curl, dom, iconv, intl, mbstring, simplexml, tokenizer, xml, xmlwriter"
       ini-values: "opcache.enable=1, opcache.fast_shutdown=0, zend.assertions=1, assert.exception=On, intl.default_locale=de, intl.use_exceptions=1, zend.exception_ignore_args=0"
@@ -34,7 +34,7 @@ jobs:
 
     needs: "validate"
 
-    uses: "mimmi20/ci/.github/workflows/install.yml@master"
+    uses: "mimmi20/ci/.github/workflows/install.yml@8.1"
     with:
       extensions: "ctype, curl, dom, iconv, intl, mbstring, simplexml, tokenizer, xml, xmlwriter"
       ini-values: "opcache.enable=1, opcache.fast_shutdown=0, zend.assertions=1, assert.exception=On, intl.default_locale=de, intl.use_exceptions=1, zend.exception_ignore_args=0"
@@ -45,7 +45,7 @@ jobs:
 
     needs: "install"
 
-    uses: "mimmi20/ci/.github/workflows/analytics.yml@master"
+    uses: "mimmi20/ci/.github/workflows/analytics.yml@8.1"
     with:
       extensions: "ctype, curl, dom, iconv, intl, mbstring, simplexml, tokenizer, xml, xmlwriter"
       ini-values: "opcache.enable=1, opcache.fast_shutdown=0, zend.assertions=1, assert.exception=On, intl.default_locale=de, intl.use_exceptions=1, zend.exception_ignore_args=0"
diff --git a/composer.json b/composer.json
index 630f82c..ca0ff4c 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
     "source": "https://github.com/mimmi20/monolog-streamformatter"
   },
   "require": {
-    "php": "^8.1.0",
+    "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
     "ext-mbstring": "*",
     "monolog/monolog": "^3.6.0",
     "psr/container": "^1.1.2 || ^2.0.2",