diff --git a/lib/krb5/version-script.map b/lib/krb5/version-script.map
index 1d773421a..55e466e81 100644
--- a/lib/krb5/version-script.map
+++ b/lib/krb5/version-script.map
@@ -180,6 +180,9 @@ HEIMDAL_KRB5_1.0 {
 		krb5_crypto_overhead;
 		krb5_crypto_prf;
 		krb5_crypto_prf_length;
+		krb5_crypto_length;
+		krb5_decrypt_iov_ivec;
+		krb5_encrypt_iov_ivec;
 		krb5_data_alloc;
 		krb5_data_cmp;
 		krb5_data_copy;