diff --git a/pkgs/development/python-modules/incremental/default.nix b/pkgs/development/python-modules/incremental/default.nix
index 6241bc869c1c..6cbed7221a8f 100644
--- a/pkgs/development/python-modules/incremental/default.nix
+++ b/pkgs/development/python-modules/incremental/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "incremental";
-  version = "17.5.0";
+  version = "21.3.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "7b751696aaf36eebfab537e458929e194460051ccad279c72b755a167eebd4b3";
+    sha256 = "02f5de5aff48f6b9f665d99d48bfc7ec03b6e3943210de7cfc88856d755d6f57";
   };
 
   meta = with lib; {