diff --git a/pkgs/development/python-modules/mitmproxy-rs/default.nix b/pkgs/development/python-modules/mitmproxy-rs/default.nix
index 023ffdca0ab9..563123629d4e 100644
--- a/pkgs/development/python-modules/mitmproxy-rs/default.nix
+++ b/pkgs/development/python-modules/mitmproxy-rs/default.nix
@@ -11,21 +11,21 @@
 
 buildPythonPackage rec {
   pname = "mitmproxy-rs";
-  version = "0.12.7";
+  version = "0.12.8";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "mitmproxy";
     repo = "mitmproxy_rs";
     tag = "v${version}";
-    hash = "sha256-Wd/4XzSMQ3qgacFUlxReQFyonUbTqWKDCk3m+kWhXy0=";
+    hash = "sha256-UKvag65KP58/4lZzbwR1sM90z8TOw/0BY3NTLZ4LKxM=";
   };
 
   buildAndTestSubdir = "mitmproxy-rs";
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit pname version src;
-    hash = "sha256-Q5EBI5uXJgbI9NMblkTT/GweopnTr/zUG35i+Aoe3QA=";
+    hash = "sha256-P6tVyv38hgf5mdUHdHwGwgrM1/7qf15YnhulBqsN5eg=";
   };
 
   nativeBuildInputs = [