diff --git a/crypto/ciphersuite/Cargo.toml b/crypto/ciphersuite/Cargo.toml
index d6fe7922..9fcf60a6 100644
--- a/crypto/ciphersuite/Cargo.toml
+++ b/crypto/ciphersuite/Cargo.toml
@@ -21,7 +21,7 @@ std-shims = { path = "../../common/std-shims", version = "^0.1.1", default-featu
 
 rand_core = { version = "0.6", default-features = false }
 
-zeroize = { version = "^1.5", default-features = false }
+zeroize = { version = "^1.5", default-features = false, features = ["derive"] }
 subtle = { version = "^2.4", default-features = false }
 
 digest = { version = "0.10", default-features = false }