diff --git a/Dockerfile b/Dockerfile
index ed73e9d..4b58fbb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -49,8 +49,8 @@ RUN echo "$TASKS_SHA256_SUM  tasks.tar.gz" | sha256sum -c - || exit 1
 RUN mkdir /var/lib/nextcloud/apps/tasks
 RUN tar xzf tasks.tar.gz -C /var/lib/nextcloud/apps/tasks --strip 1
 
-ENV NOTES_VERSION=3.0.3
-ENV NOTES_SHA256_SUM=c36c65eccf0e16598d037118be68010738684aa52c6fdbfecc8224c9cfba05e4
+ENV NOTES_VERSION=3.1.5
+ENV NOTES_SHA256_SUM=cf1d19c52847ab8941b7e6e76705e846fca20c66374b78527e6a4569263aee88
 RUN wget https://github.com/nextcloud/notes/releases/download/$NOTES_VERSION/notes.tar.gz
 RUN echo "$NOTES_SHA256_SUM  notes.tar.gz" | sha256sum -c - || exit 1
 RUN mkdir /var/lib/nextcloud/apps/notes