diff --git a/Dockerfile b/Dockerfile
index 966c2db..b3bd0f4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG SYNAPSE_VERSION=1.41.1
+ARG SYNAPSE_VERSION=1.42.0
 ARG PYTHON_VERSION=3.9
 ARG ALPINE_VERSION=3.14
 ARG HARDENED_MALLOC_VERSION=8