diff --git a/webtrees/Dockerfile b/webtrees/Dockerfile
index 59ba9c4e4..e4e886e38 100644
--- a/webtrees/Dockerfile
+++ b/webtrees/Dockerfile
@@ -15,6 +15,7 @@ RUN \
     && apt-get install -y \
         jq \
         curl \
+        apt-utils \
     && apt-get clean \
     \
     ##################