diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1dff57a..85c3f8c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -6,6 +6,11 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 7.4
+
       - name: Validate composer.json
         run: composer validate
 
@@ -34,6 +39,11 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 7.4
+
       - name: Get Composer Cache Directory
         id: composer-cache
         run: |
@@ -57,6 +67,11 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 7.4
+
       - name: Get Composer Cache Directory
         id: composer-cache
         run: |