diff --git a/Dockerfile b/Dockerfile
index 916cbdb..676683d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG SYNAPSE_VERSION=1.76
+ARG SYNAPSE_VERSION=1.77
 ARG HARDENED_MALLOC_VERSION=11
 ARG UID=991
 ARG GID=991