diff --git a/pkgs/tools/security/mitmproxy2swagger/default.nix b/pkgs/tools/security/mitmproxy2swagger/default.nix
index 54af57873b26..b9f992cbb8a0 100644
--- a/pkgs/tools/security/mitmproxy2swagger/default.nix
+++ b/pkgs/tools/security/mitmproxy2swagger/default.nix
@@ -5,14 +5,14 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "mitmproxy2swagger";
-  version = "0.8.2";
+  version = "0.9.0";
   format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "alufers";
     repo = pname;
     rev = "refs/tags/${version}";
-    hash = "sha256-w9Jbtf/BFkr2qEVqpxkRkQ1ve5o77Mhs0kGwdG5ucKI=";
+    hash = "sha256-P+Gw4D+G76gifYY2OghXRzrlPiYk4KggoVMgzJbm6Is=";
   };
 
   nativeBuildInputs = with python3.pkgs; [