diff --git a/pkgs/servers/matrix-synapse/default.nix b/pkgs/servers/matrix-synapse/default.nix
index 04dca694c6cd..058a9be261c3 100644
--- a/pkgs/servers/matrix-synapse/default.nix
+++ b/pkgs/servers/matrix-synapse/default.nix
@@ -27,11 +27,11 @@ let
 in
 buildPythonApplication rec {
   pname = "matrix-synapse";
-  version = "1.42.0";
+  version = "1.43.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-wJFjjm9apRqjk5eN/kIEgecHgm/XLbtwXHEpM2pmvO8=";
+    sha256 = "sha256-t3ZXtEq/sHYymta4gYfmdBzpExyxepGQ4lzvZii2Q70=";
   };
 
   patches = [