diff --git a/Dockerfile b/Dockerfile
index e685d6b..f910de8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,8 +35,8 @@ RUN echo "$CONTACTS_SHA256_SUM  contacts.tar.gz" | sha256sum -c - || exit 1
 RUN mkdir /var/lib/nextcloud/apps/contacts
 RUN tar xzf contacts.tar.gz -C /var/lib/nextcloud/apps/contacts --strip 1
 
-ENV CALENDAR_VERSION=v1.6.5
-ENV CALENDAR_SHA256_SUM=62c3ea0459578ba9a54537c25c8101e8e0ca352506e6fa227e5b4aa76854cb13
+ENV CALENDAR_VERSION=v1.7.0
+ENV CALENDAR_SHA256_SUM=d9946a7d046e4a3e6c20397b081c2a36f19b3372ee43339e15fa4dc1fedbfb31
 RUN wget https://github.com/nextcloud/calendar/releases/download/$CALENDAR_VERSION/calendar.tar.gz
 RUN echo "$CALENDAR_SHA256_SUM  calendar.tar.gz" | sha256sum -c - || exit 1
 RUN mkdir /var/lib/nextcloud/apps/calendar