diff --git a/sample-functions/AlpineFunction/Dockerfile.armhf b/sample-functions/AlpineFunction/Dockerfile.armhf
index 07b4f73e..510cb7f6 100644
--- a/sample-functions/AlpineFunction/Dockerfile.armhf
+++ b/sample-functions/AlpineFunction/Dockerfile.armhf
@@ -1,7 +1,8 @@
 FROM alpine:3.7
 
-ADD https://github.com/openfaas/faas/releases/download/0.9.0/fwatchdog-armhf /usr/bin/fwatchdog
-RUN chmod +x /usr/bin/fwatchdog
+RUN apk --no-cache add curl \
+    && curl -sL https://github.com/openfaas/faas/releases/download/0.9.0/fwatchdog-armhf > /usr/bin/fwatchdog \
+    && chmod +x /usr/bin/fwatchdog
 
 # Populate example here
 # ENV fprocess="wc -l"
diff --git a/sample-functions/NodeInfo/Dockerfile.armhf b/sample-functions/NodeInfo/Dockerfile.armhf
index 1ba015c1..2f4038b7 100644
--- a/sample-functions/NodeInfo/Dockerfile.armhf
+++ b/sample-functions/NodeInfo/Dockerfile.armhf
@@ -1,8 +1,9 @@
 FROM alpine:3.7
 RUN apk --no-cache add nodejs nodejs-npm
 
-ADD https://github.com/openfaas/faas/releases/download/0.9.0/fwatchdog-armhf /usr/bin/fwatchdog
-RUN chmod +x /usr/bin/fwatchdog
+RUN apk --no-cache add curl \
+    && curl -sL https://github.com/openfaas/faas/releases/download/0.9.0/fwatchdog-armhf > /usr/bin/fwatchdog \
+    && chmod +x /usr/bin/fwatchdog
 
 COPY package.json .
 COPY main.js .
diff --git a/sample-functions/ResizeImageMagick/Dockerfile.armhf b/sample-functions/ResizeImageMagick/Dockerfile.armhf
index 61ec4be1..b9b7c11f 100644
--- a/sample-functions/ResizeImageMagick/Dockerfile.armhf
+++ b/sample-functions/ResizeImageMagick/Dockerfile.armhf
@@ -2,8 +2,9 @@ FROM arm32v6/alpine:3.7
 
 RUN apk --no-cache add imagemagick
 
-ADD https://github.com/openfaas/faas/releases/download/0.9.0/fwatchdog-armhf /usr/bin/fwatchdog
-RUN chmod +x /usr/bin/fwatchdog
+RUN apk --no-cache add curl \
+    && curl -sL https://github.com/openfaas/faas/releases/download/0.9.0/fwatchdog-armhf > /usr/bin/fwatchdog \
+    && chmod +x /usr/bin/fwatchdog
 
 ENV fprocess "convert - -resize 50% fd:1"
 
diff --git a/sample-functions/SentimentAnalysis/Dockerfile.armhf b/sample-functions/SentimentAnalysis/Dockerfile.armhf
index d528665e..75244e5a 100644
--- a/sample-functions/SentimentAnalysis/Dockerfile.armhf
+++ b/sample-functions/SentimentAnalysis/Dockerfile.armhf
@@ -3,8 +3,10 @@ FROM arm32v7/python:2.7-slim
 RUN pip install textblob && \
     python -m textblob.download_corpora
 
-ADD https://github.com/openfaas/faas/releases/download/0.9.0/fwatchdog-armhf /usr/bin/fwatchdog
-RUN chmod +x /usr/bin/fwatchdog
+RUN apt-get update && apt-get install -y curl \
+    && curl -sL https://github.com/openfaas/faas/releases/download/0.9.0/fwatchdog-armhf > /usr/bin/fwatchdog \
+    && chmod +x /usr/bin/fwatchdog \
+    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 WORKDIR /root/
 
diff --git a/sample-functions/figlet/Dockerfile.armhf b/sample-functions/figlet/Dockerfile.armhf
index 12adab23..f7e09ca3 100644
--- a/sample-functions/figlet/Dockerfile.armhf
+++ b/sample-functions/figlet/Dockerfile.armhf
@@ -1,7 +1,8 @@
 FROM alpine:3.7
 
-ADD https://github.com/openfaas/faas/releases/download/0.9.0/fwatchdog-armhf /usr/bin/fwatchdog
-RUN chmod +x /usr/bin/fwatchdog
+RUN apk --no-cache add curl \
+    && curl -sL https://github.com/openfaas/faas/releases/download/0.9.0/fwatchdog-armhf > /usr/bin/fwatchdog \
+    && chmod +x /usr/bin/fwatchdog
 
 RUN apk add --no-cache figlet