diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index be6fc46..6158a2f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         arch: ["amd64", "arm64v8"]
-        php-version: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
+        php-version: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5']
         php-extension: ['bcmath', 'gmp']
         include:
           - arch: amd64