diff --git a/.clang-tidy b/.clang-tidy
index aaa1e61..3da5fe5 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -46,6 +46,8 @@ CheckOptions:   # ↓ Clashes with static private member prefix. (static int _va
                 - { key: readability-identifier-naming.EnumCase,              value: lower_case }
                 - { key: readability-identifier-naming.FunctionCase,          value: lower_case }
                 - { key: readability-identifier-naming.ParameterCase,         value: lower_case }
+
+                - { key: readability-function-cognitive-complexity.Threshold, value: 30         }
 ...
 
 # vim: set et tw=100: