diff --git a/docker/Dockerfile b/docker/Dockerfile
index 60890891a..3268f987b 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -2,6 +2,6 @@ FROM alpine:latest
 
 COPY restic /usr/bin
 
-RUN apk add --update --no-cache ca-certificates fuse openssh-client
+RUN apk add --update --no-cache ca-certificates fuse openssh-client tzdata
 
 ENTRYPOINT ["/usr/bin/restic"]