diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 7bf52337a..0a4dd2efe 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -49,11 +49,20 @@ jobs:
             composer-flags: ""
             can-fail: false
             symfony-require: "6.4.*"
+          - php-version: "8.4"
+            composer-flags: ""
+            can-fail: false
+            symfony-require: "6.4.*"
           - php-version: "8.3"
             composer-flags: ""
             can-fail: false
             symfony-require: "6.4.*"
             remove-sensio-bundle: yes  # Smoke test with SensioFrameworkExtraBundle removed on latest Symfony LTS
+          - php-version: "8.4"
+            composer-flags: ""
+            can-fail: false
+            symfony-require: "6.4.*"
+            remove-sensio-bundle: yes  # Smoke test with SensioFrameworkExtraBundle removed on latest Symfony LTS
           - php-version: "8.2"
             composer-flags: ""
             can-fail: false
@@ -63,6 +72,10 @@ jobs:
             composer-flags: ""
             can-fail: true # we don't want to fail the build if we are incompatible with the next (unstable) Symfony version
             remove-sensio-bundle: yes # SensioFrameworkExtraBundle is not compatible with Symfony 7.0 or later
+          - php-version: "8.4"
+            composer-flags: ""
+            can-fail: true # we don't want to fail the build if we are incompatible with the next (unstable) Symfony version
+            remove-sensio-bundle: yes # SensioFrameworkExtraBundle is not compatible with Symfony 7.0 or later
 
     env:
       COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -88,7 +101,7 @@ jobs:
           tools: "composer:v2,flex"
 
       - name: "Cache dependencies installed with composer"
-        uses: "actions/cache@v3"
+        uses: "actions/cache@v4"
         with:
           path: "~/.composer/cache"
           key: "php-${{ matrix.php-version }}-composer-locked-${{ hashFiles('composer.lock') }}"