diff --git a/Dockerfile b/Dockerfile
index 9b7bf4f..a0b8e89 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,7 @@ MAINTAINER ViViDboarder <vividboarder@gmail.com>
 
 RUN apt-get update \
         && apt-get install -y --no-install-recommends \
+            ca-certificates \
             cron \
             restic \
         && apt-get clean \