diff --git a/Dockerfile b/Dockerfile
index e30663c..419e218 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=linux/amd64 alpine/helm:3.14.4
+FROM --platform=linux/amd64 alpine/helm:3.20.1@sha256:9ccb6cb780553282592b8628e78c50cd914976d481d0d8fd1f362887194a9c4b
 # Helm supported version along with K8 version: https://helm.sh/docs/topics/version_skew/
 # List of Helm images: https://hub.docker.com/r/alpine/helm/tags