diff --git a/.github/workflows/test_openresty.yml b/.github/workflows/test_openresty.yml
index 9ec8e51..6208ef1 100644
--- a/.github/workflows/test_openresty.yml
+++ b/.github/workflows/test_openresty.yml
@@ -10,7 +10,7 @@ jobs:
   test-openresty:
     strategy:
        matrix:
-         version: [1.21.4.1]
+         version: [1.21.4.2rc1]
        fail-fast: false
     runs-on: "ubuntu-20.04"