diff --git a/pkgs/servers/sql/postgresql/ext/timescaledb.nix b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
index e0fd4ca55469..207e1577328c 100644
--- a/pkgs/servers/sql/postgresql/ext/timescaledb.nix
+++ b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
@@ -13,13 +13,13 @@
 
 postgresqlBuildExtension (finalAttrs: {
   pname = "timescaledb${lib.optionalString (!enableUnfree) "-apache"}";
-  version = "2.22.0";
+  version = "2.22.1";
 
   src = fetchFromGitHub {
     owner = "timescale";
     repo = "timescaledb";
     tag = finalAttrs.version;
-    hash = "sha256-6VXS/vTBXlFbEtzm7FfLBtD57GI+QHStDmFv2AvUdSs=";
+    hash = "sha256-SEuxHbSxgTC4Uk6nnznVzUqvoZMGgF+KSMNzkYfgfpI=";
   };
 
   nativeBuildInputs = [ cmake ];
@@ -106,7 +106,7 @@ postgresqlBuildExtension (finalAttrs: {
       ||
         # PostgreSQL 18 support issue upstream: https://github.com/timescale/timescaledb/issues/8233
         # Check after next package update.
-        lib.warnIf (finalAttrs.version != "2.22.0") "Is postgresql18Packages.timescaledb still broken?" (
+        lib.warnIf (finalAttrs.version != "2.22.1") "Is postgresql18Packages.timescaledb still broken?" (
           lib.versionAtLeast postgresql.version "18"
         );
   };