diff --git a/pkgs/development/python-modules/MechanicalSoup/default.nix b/pkgs/development/python-modules/MechanicalSoup/default.nix
index 6c4a2d310da..7882685df4c 100644
--- a/pkgs/development/python-modules/MechanicalSoup/default.nix
+++ b/pkgs/development/python-modules/MechanicalSoup/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "MechanicalSoup";
-  version = "0.11.0";
+  version = "0.12.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0k59wwk75q7nz6i6gynvzhagy02ql0bv7py3qqcwgjw7607yq4i7";
+    sha256 = "1g976rk79apz6rc338zq3ml2yps8hb88nyw3a698d0brm4khd9ir";
   };
 
   checkInputs = [ pytest pytestrunner requests-mock pytestcov ];