diff --git a/.github/workflows/acquia_cms_ci.workflow.yml b/.github/workflows/acquia_cms_ci.workflow.yml
index 4aca4b6bc..abe459e68 100644
--- a/.github/workflows/acquia_cms_ci.workflow.yml
+++ b/.github/workflows/acquia_cms_ci.workflow.yml
@@ -47,7 +47,7 @@ jobs:
           node-version: 20.x
       - uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.3
+          php-version: 8.4
           #coverage: xdebug
       - name: Download ORCA
         run: |
@@ -85,7 +85,7 @@ jobs:
           node-version: 20.x
       - uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.3
+          php-version: 8.4
           #coverage: xdebug
       - name: Execute PHPStan
         run: |
@@ -141,7 +141,7 @@ jobs:
           node-version: 20.x
       - uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.3
+          php-version: 8.4
           #coverage: xdebug
       - name: Setup MySQL
         run: |
@@ -253,7 +253,7 @@ jobs:
           node-version: 12.13.1
       - uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.3
+          php-version: 8.4
           #coverage: xdebug
       - name: Download ORCA
         run: |
@@ -432,7 +432,7 @@ jobs:
 #          node-version: 20.x
 #      - uses: shivammathur/setup-php@v2
 #        with:
-#          php-version: 8.3
+#          php-version: 8.4
 #          #coverage: xdebug
 #      - name: Setup MySQL
 #        run: |