diff --git a/pkgs/development/python-modules/mitmproxy-wireguard/default.nix b/pkgs/development/python-modules/mitmproxy-wireguard/default.nix
index 1e7a6a71e74..3cb3e82b0e0 100644
--- a/pkgs/development/python-modules/mitmproxy-wireguard/default.nix
+++ b/pkgs/development/python-modules/mitmproxy-wireguard/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "mitmproxy-wireguard";
-  version = "0.1.19";
+  version = "0.1.20";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -18,7 +18,7 @@ buildPythonPackage rec {
     owner = "decathorpe";
     repo = "mitmproxy_wireguard";
     rev = "refs/tags/${version}";
-    hash = "sha256-6LgA8IaUCfScEr+tEG5lkt0MnWoA9Iab4kAseUvZFFo=";
+    hash = "sha256-Oq3jF4XeT58rad0MWmqucZZHVAshhA8PViQ+2Q9Shgc=";
   };
 
   nativeBuildInputs = [
@@ -31,7 +31,7 @@ buildPythonPackage rec {
   cargoDeps = rustPlatform.fetchCargoTarball {
     inherit src;
     name = "${pname}-${version}";
-    hash = "sha256-wuroElBc0LQL0gf+P6Nffv3YsyDJliXksZCgcBfK0iw=";
+    hash = "sha256-HIChSAVztTmftwLhCWeLX2afqXAIHp3pmVWeW4yFZ+0=";
   };
 
   # Module has no tests, only a test client