diff --git a/clippy_lints/src/non_copy_const.rs b/clippy_lints/src/non_copy_const.rs
index 388c029c9ef4..96b238484f6b 100644
--- a/clippy_lints/src/non_copy_const.rs
+++ b/clippy_lints/src/non_copy_const.rs
@@ -92,7 +92,7 @@ declare_clippy_lint! {
     /// ```
     #[clippy::version = "pre 1.29.0"]
     pub DECLARE_INTERIOR_MUTABLE_CONST,
-    style,
+    suspicious,
     "declaring `const` with interior mutability"
 }