diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index e0fdc6a..04c2224 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -19,7 +19,7 @@ RUN CGO_ENABLED=0 GO111MODULE=on go build -a -o runner main.go
 
 # Use distroless as minimal base image to package the runner binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
-FROM alpine:3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a
+FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 RUN apk add socat
 WORKDIR /
 COPY --from=builder /workspace/runner .