diff --git a/Dockerfile b/Dockerfile
index 50e441c..98977bb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,6 +8,6 @@ RUN true \
 
 RUN true \
     && apt-get update \
-    && apt-get install -y ansible python3-requests python3-influxdb python3-netaddr \
+    && apt-get install -y gpg ansible python3-requests python3-influxdb python3-netaddr \
     && apt-get clean && apt-get purge && rm -r /var/lib/apt/lists/* \
     && true