diff --git a/pkgs/development/libraries/nco/default.nix b/pkgs/development/libraries/nco/default.nix
index 629c064404ba..11fc8b0db70a 100644
--- a/pkgs/development/libraries/nco/default.nix
+++ b/pkgs/development/libraries/nco/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchzip, netcdf, netcdfcxx4, gsl, udunits, antlr, which, curl, flex, coreutils }:
 
 stdenv.mkDerivation rec {
-  version = "4.9.2";
+  version = "4.9.3";
   pname = "nco";
 
   nativeBuildInputs = [ flex which ];
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
 
   src = fetchzip {
     url = "https://github.com/nco/nco/archive/${version}.tar.gz";
-    sha256 = "0nip9dmdx3d5nc30bz1d2w9his1dph136l53r160aa3bmb29xwqn";
+    sha256 = "0jpv2hw2as5wh06ac4hkhy7964w81pm7kp6nbwhmiyfzjzhwqhjy";
   };
 
   prePatch = ''