diff --git a/pkgs/development/python-modules/opower/default.nix b/pkgs/development/python-modules/opower/default.nix
index 89f8fcf30208..381afbea510f 100644
--- a/pkgs/development/python-modules/opower/default.nix
+++ b/pkgs/development/python-modules/opower/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "opower";
-  version = "0.0.29";
+  version = "0.0.31";
   format = "pyproject";
 
   disabled = pythonOlder "3.9";
@@ -21,7 +21,7 @@ buildPythonPackage rec {
     owner = "tronikos";
     repo = "opower";
     rev = "refs/tags/v${version}";
-    hash = "sha256-UvpBTCccJgJmseIn3eZdq6M+wF+Nm/aRxGHmMiMZy6w=";
+    hash = "sha256-lJVaQnGfZBjMgWLKZG/LNao8l4Fj3z3AZhnfgJwOcxo=";
   };
 
   pythonRemoveDeps = [