diff --git a/Dockerfile b/Dockerfile
index 1daa01b..0942765 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine/helm
+FROM alpine/helm:3.2.4
 
 ENV HELM_HOME /root/.helm
 
diff --git a/plugin.yaml b/plugin.yaml
index ab84d36..d6250c5 100644
--- a/plugin.yaml
+++ b/plugin.yaml
@@ -1,5 +1,6 @@
 name: "conftest"
-version: "0.18.1"
+version: "0.20.0"
+helmVersion: "3.2.4"
 usage: "Test Helm Charts"
 description: |-
   "Test your Helm Charts with Open Policy Agent"