diff --git a/pkgs/servers/sql/postgresql/ext/timescaledb.nix b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
index f8e3f00b7970..dc66534cd8a1 100644
--- a/pkgs/servers/sql/postgresql/ext/timescaledb.nix
+++ b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
@@ -8,7 +8,7 @@
 
 stdenv.mkDerivation rec {
   pname = "timescaledb";
-  version = "2.4.1";
+  version = "2.4.2";
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ postgresql openssl libkrb5 ];
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     owner  = "timescale";
     repo   = "timescaledb";
     rev    = "refs/tags/${version}";
-    sha256 = "0nc6nvngp5skz8rasvb7pyi9nlw642iwk19p17lizmw8swdm5nji";
+    sha256 = "10c5qx8qq7gbs2pq56gn4nadbc8i6r28528hp2nqdg881yaiga3m";
   };
 
   cmakeFlags = [ "-DSEND_TELEMETRY_DEFAULT=OFF" "-DREGRESS_CHECKS=OFF" "-DTAP_CHECKS=OFF" ]