diff --git a/auth/basic-auth/Dockerfile b/auth/basic-auth/Dockerfile
index 102cbe59..49c267ca 100644
--- a/auth/basic-auth/Dockerfile
+++ b/auth/basic-auth/Dockerfile
@@ -15,7 +15,7 @@ RUN license-check -path ./ --verbose=false "OpenFaaS Authors" "OpenFaaS Author(s
     go build --ldflags "-s -w" -a -installsuffix cgo -o handler . && \
     go test $(go list ./... | grep -v /vendor/) -cover
 
-FROM alpine:3.9
+FROM alpine:3.10
 # Add non-root user
 RUN addgroup -S app && adduser -S -g app app \
     && mkdir -p /home/app \
diff --git a/auth/basic-auth/Dockerfile.arm64 b/auth/basic-auth/Dockerfile.arm64
index 8242e4d3..d71aecaa 100644
--- a/auth/basic-auth/Dockerfile.arm64
+++ b/auth/basic-auth/Dockerfile.arm64
@@ -14,7 +14,7 @@ RUN license-check -path ./ --verbose=false "OpenFaaS Authors" "OpenFaaS Author(s
  && go test $(go list ./... | grep -v /vendor/) -cover && \
  CGO_ENABLED=0 GOOS=linux go build --ldflags "-s -w" -a -installsuffix cgo -o handler .
 
-FROM alpine:3.9
+FROM alpine:3.10
 # Add non-root user
 RUN addgroup -S app && adduser -S -g app app \
     && mkdir -p /home/app \
diff --git a/gateway/Dockerfile.arm64 b/gateway/Dockerfile.arm64
index 4651865a..0344f361 100644
--- a/gateway/Dockerfile.arm64
+++ b/gateway/Dockerfile.arm64
@@ -33,7 +33,7 @@ RUN license-check -path ./ --verbose=false "Alex Ellis" "OpenFaaS Project" "Open
     -X github.com/openfaas/faas/gateway/version.Version=${VERSION}" \
     -a -installsuffix cgo -o gateway .
 
-FROM alpine:3.9
+FROM alpine:3.10
 
 LABEL org.label-schema.license="MIT" \
     org.label-schema.vcs-url="https://github.com/openfaas/faas" \
diff --git a/gateway/Dockerfile.armhf b/gateway/Dockerfile.armhf
index 619d7c20..765676d7 100644
--- a/gateway/Dockerfile.armhf
+++ b/gateway/Dockerfile.armhf
@@ -33,7 +33,7 @@ RUN license-check -path ./ --verbose=false "Alex Ellis" "OpenFaaS Project" "Open
     -X github.com/openfaas/faas/gateway/version.Version=${VERSION}" \
     -a -installsuffix cgo -o gateway .
 
-FROM alpine:3.9
+FROM alpine:3.10
 
 LABEL org.label-schema.license="MIT" \
     org.label-schema.vcs-url="https://github.com/openfaas/faas" \
diff --git a/gateway/vendor/github.com/openfaas/nats-queue-worker/Dockerfile.arm64 b/gateway/vendor/github.com/openfaas/nats-queue-worker/Dockerfile.arm64
index 8863ac10..2fe45b95 100644
--- a/gateway/vendor/github.com/openfaas/nats-queue-worker/Dockerfile.arm64
+++ b/gateway/vendor/github.com/openfaas/nats-queue-worker/Dockerfile.arm64
@@ -12,7 +12,7 @@ COPY main.go  		.
 
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app .
 
-FROM alpine:3.8
+FROM alpine:3.10
 
 RUN addgroup -S app \
   && adduser -S -g app app \
diff --git a/gateway/vendor/github.com/openfaas/nats-queue-worker/Dockerfile.armhf b/gateway/vendor/github.com/openfaas/nats-queue-worker/Dockerfile.armhf
index bf7b85c3..3047e4ce 100644
--- a/gateway/vendor/github.com/openfaas/nats-queue-worker/Dockerfile.armhf
+++ b/gateway/vendor/github.com/openfaas/nats-queue-worker/Dockerfile.armhf
@@ -12,7 +12,7 @@ COPY auth.go .
 
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app .
 
-FROM alpine:3.8
+FROM alpine:3.10
 
 RUN addgroup -S app \
   && adduser -S -g app app \