diff --git a/.github/actions/retest-action/Dockerfile b/.github/actions/retest-action/Dockerfile
index 8efd99bb..da2cb9fb 100644
--- a/.github/actions/retest-action/Dockerfile
+++ b/.github/actions/retest-action/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.20
+FROM alpine:3.21
 
 RUN apk add --no-cache curl jq