diff --git a/pkgs/servers/matrix-synapse/default.nix b/pkgs/servers/matrix-synapse/default.nix
index cd762c7dc8be..ffe76b25b191 100644
--- a/pkgs/servers/matrix-synapse/default.nix
+++ b/pkgs/servers/matrix-synapse/default.nix
@@ -11,11 +11,11 @@ in
 with python3.pkgs;
 buildPythonApplication rec {
   pname = "matrix-synapse";
-  version = "1.55.0";
+  version = "1.55.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-IfLyp6IexNTMrq795qUMAPQ62mrMPwFyLE1yL8cu0T0=";
+    sha256 = "sha256-MCdwatNo4cDAaq9a3UFwSLJzT1ZxhoYqPOu/a957D2Y=";
   };
 
   buildInputs = [ openssl ];