diff --git a/pkgs/by-name/ma/matrix-synapse-unwrapped/package.nix b/pkgs/by-name/ma/matrix-synapse-unwrapped/package.nix
index edded182be56..1db410c55b1f 100644
--- a/pkgs/by-name/ma/matrix-synapse-unwrapped/package.nix
+++ b/pkgs/by-name/ma/matrix-synapse-unwrapped/package.nix
@@ -14,19 +14,19 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "matrix-synapse";
-  version = "1.148.0";
+  version = "1.149.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "element-hq";
     repo = "synapse";
     rev = "v${version}";
-    hash = "sha256-MQOjuVBxwOKO11wc/FafqndI0QgZT3jaigpjRsJXxRA=";
+    hash = "sha256-A780cOls5/Xb3rmgOWUZj27Q4MtfTLhBoCPOw5ZOE/4=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit pname version src;
-    hash = "sha256-LKO4Qa81AeUxEcUdvm43Bc8ANJJqtYEv5ucV0743yy0=";
+    hash = "sha256-rF1hCPUnsSpo/9+2oG4z2+qCqSSd5VQ5I3mRHz0uJ2w=";
   };
 
   build-system =