diff --git a/Dockerfile b/Dockerfile
index ef67192..214e077 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,7 @@ RUN go build -ldflags="-s -w" -a -o cloud-profile-sync main.go
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
-FROM gcr.io/distroless/static:nonroot
+FROM gcr.io/distroless/static:nonroot@sha256:963fa6c544fe5ce420f1f54fb88b6fb01479f054c8056d0f74cc2c6000df5240
 WORKDIR /
 LABEL source_repository="https://github.com/cobaltcore-dev/cloud-profile-sync"
 COPY --from=builder /workspace/cloud-profile-sync .