diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 19ac3aac713..5b86d39dc9c 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -91,6 +91,10 @@ Parser/asdl.py                @isidentical
 Parser/asdl_c.py              @isidentical
 Lib/ast.py                    @isidentical
 
+# Mock
+/Lib/unittest/mock.py         @cjw296
+/Lib/unittest/test/testmock/* @cjw296
+
 # SQLite 3
 **/*sqlite*                   @berkerpeksag