diff --git a/Dockerfile b/Dockerfile
index 0e4e1ff..3f979d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM docker.io/library/alpine:3.22.2
 ARG HELM_VERSION
 
 RUN apk add bash curl git openssl && \
-    curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 --output /tmp/install.sh
+    curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-4 --output /tmp/install.sh
 
 RUN if [[ -z "${HELM_VERSION+x}" ]]; then bash /tmp/install.sh; fi
 RUN if [[ -n "${HELM_VERSION+x}" ]]; then bash /tmp/install.sh --version "${HELM_VERSION}"; fi