diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9c1509fd..f6c5376c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Set up PHP
-        uses: shivammathur/setup-php@2.1.0
+        uses: shivammathur/setup-php@2.37.1
         with:
           php-version: ${{ matrix.php }}
           tools: flex
@@ -41,7 +41,7 @@ jobs:
 
     steps:
       - name: Set up PHP
-        uses: shivammathur/setup-php@2.1.0
+        uses: shivammathur/setup-php@2.37.1
         with:
           php-version: 7.1
           tools: flex
@@ -67,7 +67,7 @@ jobs:
 
     steps:
       - name: Set up PHP
-        uses: shivammathur/setup-php@2.1.0
+        uses: shivammathur/setup-php@2.37.1
         with:
           php-version: 7.3
           coverage: xdebug
@@ -101,7 +101,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up PHP
-        uses: shivammathur/setup-php@2.1.0
+        uses: shivammathur/setup-php@2.37.1
         with:
           php-version: 7.4
           tools: flex
@@ -129,7 +129,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up PHP
-        uses: shivammathur/setup-php@2.1.0
+        uses: shivammathur/setup-php@2.37.1
         with:
           php-version: 7.3
           tools: flex