diff --git a/Dockerfile b/Dockerfile
index 05f9f8140..f4639cfec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,6 +8,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         apt-transport-https \
         ca-certificates \
         curl \
+        gpg-agent \
         software-properties-common \
     && rm -rf /var/lib/apt/lists/* \
     && curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add - \