diff --git a/Dockerfile b/Dockerfile
index b31170b86..9665328ac 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,7 @@ RUN go mod vendor && \
     make build
 
 # final image
-FROM alpine:3.11
+FROM alpine:3.11.5
 LABEL maintainer="Team Teapot @ Zalando SE <team-teapot@zalando.de>"
 
 RUN apk add --no-cache ca-certificates && \