diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index e76d591..7142c55 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -2,10 +2,10 @@ version: 2
 
 updates:
     # Maintain dependencies for GitHub Actions
-    #- package-ecosystem: "github-actions"
-    #  directory: "/"
-    #  schedule:
-    #      interval: "monthly"
+    - package-ecosystem: "github-actions"
+      directory: "/"
+      schedule:
+          interval: "monthly"
 
     # Maintain dependencies for Composer
     - package-ecosystem: "composer"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 445ceb6..98da931 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,6 @@ on:
     push:
         branches: [ master ]
     pull_request:
-        branches: [ master ]
 
 jobs:
     lint:
@@ -17,46 +16,36 @@ jobs:
               with:
                   php-version: '7.3'
 
-            - name: 'Get composer cache directory'
-              id: composer-cache
-              run: echo "::set-output name=dir::$(composer config cache-files-dir)"
-
-            - name: 'Cache dependencies'
-              uses: actions/cache@v2
+            - uses: "ramsey/composer-install@v3"
               with:
-                  path: ${{ steps.composer-cache.outputs.dir }}
-                  key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
-                  restore-keys: ${{ runner.os }}-composer-
-
-            - name: Install dependencies
-              run: composer update --prefer-dist
+                  composer-options: "--prefer-dist"
 
             - name: Code Sniffer
               run: vendor/bin/phpcs --standard=psr2 src/
 
     test:
         runs-on: ubuntu-latest
+        strategy:
+            fail-fast: false
+            matrix:
+                php-version:
+                    - "7.4"
+                    - "8.0"
+                    - "8.1"
+                    - "8.2"
+                    - "8.3"
+        
         steps:
             - uses: actions/checkout@v2
 
             - name: 'Setup PHP'
               uses: shivammathur/setup-php@v2
               with:
-                  php-version: '7.3'
-
-            - name: 'Get composer cache directory'
-              id: composer-cache
-              run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+                  php-version: "${{ matrix.php-version }}"
 
-            - name: 'Cache dependencies'
-              uses: actions/cache@v2
+            - uses: "ramsey/composer-install@v3"
               with:
-                  path: ${{ steps.composer-cache.outputs.dir }}
-                  key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
-                  restore-keys: ${{ runner.os }}-composer-
-
-            - name: Install dependencies
-              run: composer update --prefer-dist
+                  composer-options: "--prefer-dist"
 
             - name: Run tests
               run: vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover