diff --git a/.github/workflows/run-phar-tests.yml b/.github/workflows/run-phar-tests.yml
index f518ca62..7f9cf11d 100644
--- a/.github/workflows/run-phar-tests.yml
+++ b/.github/workflows/run-phar-tests.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['7.4', '8.0', '8.1', '8.2', '8.3']
+        php: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
 
     steps:
       - name: Check out code
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index fc16b884..687a0150 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['7.4', '8.0', '8.1', '8.2', '8.3']
+        php: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
 
     steps:
       - name: Check out code