diff --git a/pkgs/development/python-modules/nbdime/default.nix b/pkgs/development/python-modules/nbdime/default.nix
index aa3fd2008932..c43652d4d1fa 100644
--- a/pkgs/development/python-modules/nbdime/default.nix
+++ b/pkgs/development/python-modules/nbdime/default.nix
@@ -29,12 +29,12 @@
 
 buildPythonPackage rec {
   pname = "nbdime";
-  version = "4.0.2";
+  version = "4.0.3";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-2Cefj0sjbAslOyDWDEgxu2eEPtjb1uCfI06wEdNvG/I=";
+    hash = "sha256-YqtQp1goJSPEUBFEufMUIh27rtBAPBL9cPak/MUy7CQ=";
   };
 
   build-system = [