diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1b6419d6c9..1a3765b349 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ jobs:
         go_version:
           - 1.19
           - "1.20"
-          - "1.21.0-rc.3"
+          - "1.21.0-rc.4"
         os:
           - macos
           - ubuntu