diff --git a/Dockerfile.gitlab-charts-build-base-helm-3.9 b/Dockerfile.gitlab-charts-build-base-helm-3.9
index e9ee90c..96a7189 100644
--- a/Dockerfile.gitlab-charts-build-base-helm-3.9
+++ b/Dockerfile.gitlab-charts-build-base-helm-3.9
@@ -13,7 +13,7 @@ ENV VCLUSTER_VERSION=0.16.3
 ENV VCLUSTER_URL=https://github.com/loft-sh/vcluster/releases/download/v${VCLUSTER_VERSION}/vcluster-linux-amd64
 
 # Install dependencies
-RUN apk --no-cache add -U openssl curl tar gzip bash ca-certificates git python3 py3-pip groff\
+RUN apk --no-cache add -U openssl curl tar gzip bash ca-certificates git python3 py3-pip groff gpg gpg-agent\
   && mkdir -p /opt
 
 # Install kubectl