diff --git a/sync/Dockerfile b/sync/Dockerfile
index 54c700e9..23342c63 100644
--- a/sync/Dockerfile
+++ b/sync/Dockerfile
@@ -7,7 +7,7 @@ RUN apt-get update && \
 # Install yq from the official Docker image
 COPY --from=mikefarah/yq /usr/bin/yq /usr/bin/
 
-ARG HELM_VERSION=v3.20.2
+ARG HELM_VERSION=v4.2.3
 RUN set -ex; \
     OS_ARCH="$(uname -m)"; \
     case "$OS_ARCH" in \