diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index f067b81..dadc491 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ubuntu-latest, windows-latest]
-        php-versions: ['7.4', '8.0', '8.1', '8.2']
+        php-versions: ['8.0', '8.1', '8.2']
 
     steps:
       - name: Setup PHP, with composer and extensions
@@ -68,7 +68,7 @@ jobs:
         run: bash vendor/bin/check-syntax-php.sh
 
       - name: Decide whether to run code coverage or not
-        if: ${{ matrix.php-versions != '7.4' || matrix.operating-system != 'ubuntu-latest' }}
+        if: ${{ matrix.php-versions != '8.0' || matrix.operating-system != 'ubuntu-latest' }}
         run: |
           echo "NO_COVERAGE=--no-coverage" >> $GITHUB_ENV
 
@@ -78,7 +78,7 @@ jobs:
           ./vendor/bin/phpunit $NO_COVERAGE
 
       - name: Save coverage data
-        if: ${{ matrix.php-versions == '7.4' && matrix.operating-system == 'ubuntu-latest' }}
+        if: ${{ matrix.php-versions == '8.0' && matrix.operating-system == 'ubuntu-latest' }}
         uses: actions/upload-artifact@v3
         with:
             name: build-data
@@ -91,7 +91,7 @@ jobs:
       - name: Setup PHP, with composer and extensions
         uses: shivammathur/setup-php@v2 #https://github.com/shivammathur/setup-php
         with:
-            php-version: '7.4'
+            php-version: '8.0'
             extensions: mbstring, xml
             tools: composer:v2
             coverage: none
@@ -128,7 +128,7 @@ jobs:
       - name: Setup PHP, with composer and extensions
         uses: shivammathur/setup-php@v2 #https://github.com/shivammathur/setup-php
         with:
-          php-version: '7.4'
+          php-version: '8.0'
           extensions: mbstring, xml
           tools: composer:v2
           coverage: none
@@ -164,7 +164,7 @@ jobs:
         id: setup-php
         uses: shivammathur/setup-php@v2 #https://github.com/shivammathur/setup-php
         with:
-          php-version: '7.4'
+          php-version: '8.0'
           tools: composer:v2
           extensions: mbstring, xml
 
diff --git a/composer.json b/composer.json
index c038551..2ace578 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
         "simplesamlphp/composer-module-installer": "^1.3.2"
     },
     "require-dev": {
-        "simplesamlphp/simplesamlphp-test-framework": "~1.5.4"
+        "simplesamlphp/simplesamlphp-test-framework": "~1.3.4 <1.4"
     },
     "support": {
         "issues": "https://github.com/simplesamlphp/simplesamlphp-module-discopower/issues",