diff --git a/pkgs/servers/sql/postgresql/ext/timescaledb.nix b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
index c77c01f8d20..6997b5b834a 100644
--- a/pkgs/servers/sql/postgresql/ext/timescaledb.nix
+++ b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
@@ -8,7 +8,7 @@
 
 stdenv.mkDerivation rec {
   name = "timescaledb-${version}";
-  version = "1.4.0";
+  version = "1.4.1";
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ postgresql openssl ];
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     owner  = "timescale";
     repo   = "timescaledb";
     rev    = "refs/tags/${version}";
-    sha256 = "0xjl3pdm36pksbkhl44kixqkfv8qpdm4frfwxv0p4vvjmlhslz48";
+    sha256 = "1gbca0fyaxjkwijdp2ah4iykwq5xabz9kkf8ak76sif4lz64y54b";
   };
 
   cmakeFlags = [ "-DSEND_TELEMETRY_DEFAULT=OFF" ];