diff --git a/linkerd/tls/Cargo.toml b/linkerd/tls/Cargo.toml
index 3600ef2c69..47aa73c084 100644
--- a/linkerd/tls/Cargo.toml
+++ b/linkerd/tls/Cargo.toml
@@ -6,6 +6,9 @@ license = "Apache-2.0"
 edition = "2021"
 publish = false
 
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] }
+
 [dependencies]
 async-trait = "0.1"
 bytes = "1"