diff --git a/Dockerfile b/Dockerfile
index ac1bdc3..39f192c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Base on latest (edge) alpine image
-FROM harbor.ervine.dev/public/x86_64/alpine:v3.13.2
+FROM harbor.ervine.dev/public/x86_64/alpine:v3.13.23.13.2
 LABEL MAINTAINER="Jonathan Ervine docker@ervine.org"
 
 # Install updates
@@ -13,7 +13,7 @@ RUN apk update && \
     adduser -D helm-web && \
     mkdir /data  && cd /data && git clone --single-branch --branch master https://git.ervine.org/jonny/flask-python-helm.git /data && \
     pip3 install -r /data/requirements.txt && \
-    curl -L https://get.helm.sh/helm-v3.4.2-linux-amd64.tar.gz -o /tmp/helm.tgz && \
+    curl -L https://get.helm.sh/helm-v3.5.3-linux-amd64.tar.gz -o /tmp/helm.tgz && \
     tar -zxvf /tmp/helm.tgz --strip-components=1 -C /usr/local/bin linux-amd64/helm && \
     rm -rf /tmp/src && rm -rf /var/cache/apk/*