diff --git a/cluster/Dockerfile b/cluster/Dockerfile
index b8de8756..5e6f3aa7 100644
--- a/cluster/Dockerfile
+++ b/cluster/Dockerfile
@@ -17,7 +17,7 @@ COPY pkg/ pkg/
 # Build
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o provider cmd/provider/main.go
 
-FROM alpine:3.7
+FROM alpine:3.21.3
 WORKDIR /
 COPY --from=builder /workspace/provider .
 COPY package /