diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ba735050..82042ef7 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -53,7 +53,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php-version: ["7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3"]
+                php-version: ["7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3", "8.4"]
                 os: [ubuntu-latest]
                 experimental: [false]
                 composer-options: ['']
@@ -85,7 +85,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php-version: ["7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3"]
+                php-version: ["7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3", "8.4"]
                 os: [ubuntu-latest]
                 experimental: [false]
                 composer-options: ['']
@@ -119,7 +119,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php-version: ["7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3"]
+                php-version: ["7.2", "7.3", "7.4", "8.0", "8.1", "8.2", "8.3", "8.4"]
                 os: [ubuntu-latest]
                 experimental: [false]
                 composer-options: ['']