diff --git a/Dockerfile b/Dockerfile
index ec7c120..ca40e4e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
-ARG SYNAPSE_VERSION=1.37.1
-ARG PYTHON_VERSION=3.8
+ARG SYNAPSE_VERSION=1.38.0
+ARG PYTHON_VERSION=3.9
 ARG ALPINE_VERSION=3.14
 ARG HARDENED_MALLOC_VERSION=8
 ARG UID=991