diff --git a/pkgs/development/python-modules/eval-type-backport/default.nix b/pkgs/development/python-modules/eval-type-backport/default.nix
index d890c80c76b9..e964ec538083 100644
--- a/pkgs/development/python-modules/eval-type-backport/default.nix
+++ b/pkgs/development/python-modules/eval-type-backport/default.nix
@@ -8,14 +8,14 @@
 }:
 buildPythonPackage (finalAttrs: {
   pname = "eval-type-backport";
-  version = "0.3.0";
+  version = "0.3.1";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "alexmojaki";
     repo = "eval_type_backport";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-K+FrgRyxCbrKHcrUaHEJWlLp2i0xes3HwXPN9ucioZY=";
+    hash = "sha256-3DV2xMXRImkl1kyvVLTDAQiRPPSnjBRHHTl1S9Usjag=";
   };
 
   nativeBuildInputs = [