diff --git a/pkgs/development/python-modules/holidays/default.nix b/pkgs/development/python-modules/holidays/default.nix
index 3909651ff26f..ebde21a48217 100644
--- a/pkgs/development/python-modules/holidays/default.nix
+++ b/pkgs/development/python-modules/holidays/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "holidays";
-  version = "0.9.11";
+  version = "0.9.12";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1g0irhh4kq3zy1disc9i5746p72a72s5j1q1cxhbdkwnnn9dnpwi";
+    sha256 = "3182c4a6fef8d01a829468362ace9c3bba7645873610535fef53454dbb4ea092";
   };
 
   propagatedBuildInputs = [ six dateutil ];