diff --git a/core/Cargo.toml b/core/Cargo.toml
index 6d801c0..2d1e1f1 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -67,6 +67,7 @@ missing_panics_doc = "deny"
 panic = "deny"
 let_underscore_untyped = "deny"
 needless_raw_string_hashes = "deny"
+unnested_or_patterns = "deny"
 absolute_paths = "deny"
 indexing_slicing = "deny"
 exhaustive_structs = "deny"