diff --git a/pkgs/development/python-modules/flask/default.nix b/pkgs/development/python-modules/flask/default.nix
index cf1079166b08..e7464a38701f 100644
--- a/pkgs/development/python-modules/flask/default.nix
+++ b/pkgs/development/python-modules/flask/default.nix
@@ -12,12 +12,12 @@
 }:
 
 buildPythonPackage rec {
-  version = "2.0.2";
+  version = "2.0.3";
   pname = "Flask";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "7b2fb8e934ddd50731893bdcdb00fc8c0315916f9fcd50d22c7cc1a95ab634e2";
+    sha256 = "sha256-4RIMIoyi9VO0cN9KX6knq2YlhGdSYGmYGz6wqRkCaH0=";
   };
 
   propagatedBuildInputs = [