diff --git a/Dockerfile b/Dockerfile
index 4662079a9e..c8faa096a7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,7 +51,7 @@ RUN groupadd -g $ARGOCD_USER_ID argocd && \
     apt-get update && \
     apt-get dist-upgrade -y && \
     apt-get install --no-install-recommends -y \
-    git git-lfs tini gpg tzdata connect-proxy openssh-client && \
+    git git-lfs tini gpg gpg-agent tzdata connect-proxy openssh-client && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /usr/share/doc/*