diff --git a/Cargo.toml b/Cargo.toml
index 9f891dae..5cf44e15 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -259,3 +259,6 @@ clippy.significant-drop-tightening = "allow"
 
 # Correctness
 clippy.correctness = { level = "deny", priority = -1 }
+
+# Complexity
+clippy.complexity = { level = "deny", priority = -1 }