diff --git a/pkgs/development/python-modules/pyanglianwater/default.nix b/pkgs/development/python-modules/pyanglianwater/default.nix
index dd330e669d7c..6ac5633bf77e 100644
--- a/pkgs/development/python-modules/pyanglianwater/default.nix
+++ b/pkgs/development/python-modules/pyanglianwater/default.nix
@@ -12,14 +12,14 @@
 
 buildPythonPackage rec {
   pname = "pyanglianwater";
-  version = "3.2.4";
+  version = "3.3.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pantherale0";
     repo = "pyanglianwater";
     tag = version;
-    hash = "sha256-AkdWWiw1FMs/uuJNSocMBpReXY2mrxouQfWuu4ntRWY=";
+    hash = "sha256-RvfRl5BrZ88uBHuvUdLfuqC5URFOUp8zYI7jYngtpbg=";
   };
 
   postPatch = ''