diff --git a/pkgs/development/python-modules/hstspreload/default.nix b/pkgs/development/python-modules/hstspreload/default.nix
index d01fd389762a..9d6e4795959c 100644
--- a/pkgs/development/python-modules/hstspreload/default.nix
+++ b/pkgs/development/python-modules/hstspreload/default.nix
@@ -6,14 +6,14 @@
 
 buildPythonPackage rec {
   pname = "hstspreload";
-  version = "2021.2.1";
+  version = "2021.2.15";
   disabled = isPy27;
 
   src = fetchFromGitHub {
     owner = "sethmlarson";
     repo = pname;
     rev = version;
-    sha256 = "sha256-R6tqGxGd6JymFgQX+deDPOtlKlwUjL7uf+zGdNxUW/s=";
+    sha256 = "sha256-vHq4DjDh7hBNAK/h/KdzqaEgrG5bg7VQ8fVWuxV7vOg=";
   };
 
   # tests require network connection