diff --git a/conf/python_source.src b/conf/python_source.src
index 35fee7d..ca9943a 100644
--- a/conf/python_source.src
+++ b/conf/python_source.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/matrix-org/synapse/archive/v0.33.9.tar.gz
-SOURCE_SUM=a0870c157598a494774fd9b6faf7041f9c3d62ec10d88986232c5d404de93aa4
+SOURCE_URL=https://github.com/matrix-org/synapse/archive/v0.34.1.1.tar.gz
+SOURCE_SUM=bfc1997c3a8dc48eb9eb02956df6a24ad8337e4eac0faa13cb581d3a694825f7
 SOURCE_FORMAT=tar.gz
 SOURCE_FILENAME=synapse_source.tar.gz
 SOURCE_EXTRACT=false