diff --git a/pkgs/development/python-modules/intensity-normalization/default.nix b/pkgs/development/python-modules/intensity-normalization/default.nix
index ec16470ef11d..816af9ac1c29 100644
--- a/pkgs/development/python-modules/intensity-normalization/default.nix
+++ b/pkgs/development/python-modules/intensity-normalization/default.nix
@@ -15,12 +15,12 @@
 
 buildPythonPackage rec {
   pname = "intensity-normalization";
-  version = "2.1.2";
+  version = "2.1.4";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-92STD5sOc9TLf3Ooaoi3afWkXiGjVgUUFvSVTeP8MaA=";
+    sha256 = "e7b46039311bcbba40224d85eb07eefe1488bd8a6faa893a180e15e65c48b7f5";
   };
 
   postPatch = ''