diff --git a/pkgs/development/python-modules/flask-compress/default.nix b/pkgs/development/python-modules/flask-compress/default.nix
index 1e133df2b2b..06c91670f44 100644
--- a/pkgs/development/python-modules/flask-compress/default.nix
+++ b/pkgs/development/python-modules/flask-compress/default.nix
@@ -3,12 +3,12 @@
 }:
 
 buildPythonPackage rec {
-  version = "1.8.0";
+  version = "1.9.0";
   pname = "Flask-Compress";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "c132590e7c948877a96d675c13cbfa64edec0faafa2381678dea6f36aa49a552";
+    sha256 = "d93edd8fc02ae74b73c3df10a8e7ee26dee489c65dedce0b3a1d2ce05ac3d1be";
   };
 
   propagatedBuildInputs = [ flask brotli ];