diff --git a/Dockerfile b/Dockerfile
index 64e07bb..e0132d2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ RUN apt-get update && \
     apt-get install -y wget && \
     rm -rf /var/lib/apt/lists/*
 
-ARG HELM_VERSION=v3.20.1
+ARG HELM_VERSION=v4.2.0
 RUN set -ex; \
     OS_ARCH="$(uname -m)"; \
     case "$OS_ARCH" in \