diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5d0c1236..9a2e3a79 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,24 +20,34 @@ jobs:
                 include:
                     -   php: 7.2
                         deps: low
-        container:
-            image: docker://jakzal/phpqa:php${{ matrix.php }}-alpine
+
         steps:
-            -   uses: actions/checkout@master
+            -   uses: actions/checkout@v2
+
+            -   name: Setup PHP
+                uses: shivammathur/setup-php@v2
+                with:
+                    php-version: "${{ matrix.php }}"
+                    tools: flex
+
             -   if: matrix.deps == 'high'
                 run: make install test package package-devkit
+
             -   if: matrix.deps == 'low'
                 run: make update-min test-min
+
             -   uses: actions/upload-artifact@v1
                 if: matrix.php == '7.2' && matrix.deps == 'high'
                 with:
                     name: toolbox.phar
                     path: build/toolbox.phar
+
             -   uses: actions/upload-artifact@v1
                 if: matrix.php == '7.2' && matrix.deps == 'high'
                 with:
                     name: devkit.phar
                     path: build/devkit.phar
+
     integration-tests:
         runs-on: ubuntu-latest
         name: Run integration tests
@@ -45,15 +55,24 @@ jobs:
         strategy:
             matrix:
                 php: [7.2, 7.3, 7.4]
-        container:
-            image: docker://jakzal/phpqa:php${{ matrix.php }}-alpine
+
         steps:
-            -   uses: actions/checkout@master
+            -   uses: actions/checkout@v2
+
+            -   name: Setup PHP
+                uses: shivammathur/setup-php@v2
+                with:
+                    php-version: "${{ matrix.php }}"
+                    tools: flex
+                    ini-values: "phar.readonly=0"
+
             -   uses: actions/download-artifact@v1
                 with:
                     name: toolbox.phar
                     path: build/
+
             -   run: make test-integration
+
     publish-phars:
         runs-on: ubuntu-latest
         name: Publish PHARs