diff --git a/pkgs/development/libraries/ucx/default.nix b/pkgs/development/libraries/ucx/default.nix
index 9ec8ca660cfd..1961e8aef680 100644
--- a/pkgs/development/libraries/ucx/default.nix
+++ b/pkgs/development/libraries/ucx/default.nix
@@ -3,7 +3,7 @@
 }:
 
 let
-  version = "1.7.0";
+  version = "1.8.1";
 
 in stdenv.mkDerivation {
   name = "ucx-${version}";
@@ -12,7 +12,7 @@ in stdenv.mkDerivation {
     owner = "openucx";
     repo = "ucx";
     rev = "v${version}";
-    sha256 = "149p8s7jrg7pbbq0hw0qm8va119bsl19q4scgk94vjqliyc1s33h";
+    sha256 = "0yfnx4shgydkp447kipavjzgl6z58jan6l7znhdi8ry4zbgk568a";
   };
 
   nativeBuildInputs = [ autoreconfHook doxygen ];