diff --git a/gateway/Dockerfile b/gateway/Dockerfile
index 774dad8e..67eb18e6 100644
--- a/gateway/Dockerfile
+++ b/gateway/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.8.3 as build
+FROM golang:1.8.5 as build
 WORKDIR /go/src/github.com/openfaas/faas/gateway
 
 RUN curl -sL https://github.com/alexellis/license-check/releases/download/0.1/license-check > /usr/bin/license-check && chmod +x /usr/bin/license-check
diff --git a/watchdog/Dockerfile b/watchdog/Dockerfile
index 1a7b52c9..85d14799 100644
--- a/watchdog/Dockerfile
+++ b/watchdog/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.8.3
+FROM golang:1.8.5
 RUN mkdir -p /go/src/github.com/openfaas/faas/watchdog
 WORKDIR /go/src/github.com/openfaas/faas/watchdog