diff --git a/Dockerfile b/Dockerfile
index 4cdf4bff..23c28f23 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o manager
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
-FROM alpine
+FROM alpine:3.18.3
 WORKDIR /
 COPY --from=builder /workspace/manager .
 #USER nonroot:nonroot