diff --git a/pkcs8/tests/private_key.rs b/pkcs8/tests/private_key.rs
index d1dce2b54..0a71a9419 100644
--- a/pkcs8/tests/private_key.rs
+++ b/pkcs8/tests/private_key.rs
@@ -1,6 +1,6 @@
 //! PKCS#8 private key tests
 
-use der::asn1::ObjectIdentifier;
+use der::asn1::{AnyLike, ObjectIdentifier};
 use hex_literal::hex;
 use pkcs8::{PrivateKeyInfo, Version};