diff --git a/pkgs/development/python-modules/hstspreload/default.nix b/pkgs/development/python-modules/hstspreload/default.nix
index e75894611a1f..635ad7a283ee 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 = "2020.5.5";
+  version = "2020.5.19";
   disabled = isPy27;
 
   src = fetchFromGitHub {
     owner = "sethmlarson";
     repo = pname;
     rev = version;
-    sha256 = "0n3wp2ihjaxlq002rv141766cx4wgk0amg1cb6v30zp0m4054w7d";
+    sha256 = "09a5vajzw3f2kpdq9ydzx1f840xmdmzb6br3ns79mnqnsw6nfs6z";
   };
 
   # tests require network connection