diff --git a/pkgs/development/python-modules/freezegun/default.nix b/pkgs/development/python-modules/freezegun/default.nix
index 92254b94dee..5853004d5c7 100644
--- a/pkgs/development/python-modules/freezegun/default.nix
+++ b/pkgs/development/python-modules/freezegun/default.nix
@@ -11,11 +11,11 @@
 
 buildPythonPackage rec {
   pname = "freezegun";
-  version = "0.3.15";
+  version = "1.0.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e2062f2c7f95cc276a834c22f1a17179467176b624cc6f936e8bc3be5535ad1b";
+    sha256 = "1cf08e441f913ff5e59b19cc065a8faa9dd1ddc442eaf0375294f344581a0643";
   };
 
   propagatedBuildInputs = [ dateutil six ];