diff --git a/pkgs/development/python-modules/unicodedata2/default.nix b/pkgs/development/python-modules/unicodedata2/default.nix
index 5e09df1f6d1f..73e34f6ee445 100644
--- a/pkgs/development/python-modules/unicodedata2/default.nix
+++ b/pkgs/development/python-modules/unicodedata2/default.nix
@@ -2,13 +2,13 @@
 
 buildPythonPackage rec {
   pname = "unicodedata2";
-  version = "15.0.0";
+  version = "15.1.0";
 
   disabled = isPy27;
 
   src = fetchPypi {
     inherit version pname;
-    sha256 = "0bcgls7m2zndpd8whgznnd5908jbsa50si2bh88wsn0agcznhv7d";
+    sha256 = "sha256-yzDxia1mSC+FKaRdpxsqiEHpvSuzdswpMwA6SlWgdkg=";
   };
 
   nativeCheckInputs = [ pytestCheckHook ];