diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4a7a76c109e..20af705b70a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -11034,11 +11034,11 @@ in {
 
   flask_login = buildPythonPackage rec {
     name = "Flask-Login-${version}";
-    version = "0.2.2";
+    version = "0.4.0";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/F/Flask-Login/${name}.tar.gz";
-      sha256 = "09ygn0r3i3jz065a5psng6bhlsqm78msnly4z6x39bs48r5ww17p";
+      sha256 = "19w2f33lglkyvxqnj3qghhxa4pr8mp13235k1bd557x52imkapnj";
     };
 
     propagatedBuildInputs = with self; [ flask ];