diff --git a/tests/unit/s2n_server_key_share_extension_test.c b/tests/unit/s2n_server_key_share_extension_test.c
index b21a6822882..14292ea0925 100644
--- a/tests/unit/s2n_server_key_share_extension_test.c
+++ b/tests/unit/s2n_server_key_share_extension_test.c
@@ -251,7 +251,7 @@ int main(int argc, char **argv)
                 struct s2n_connection *client_conn = NULL;
 
                 EXPECT_NOT_NULL(client_conn = s2n_connection_new(S2N_CLIENT));
-                EXPECT_SUCCESS(s2n_config_set_cipher_preferences(client_conn->config, "default_tls13"));
+                EXPECT_SUCCESS(s2n_connection_set_cipher_preferences(client_conn, "20240503"));
 
                 const struct s2n_ecc_preferences *ecc_pref = NULL;
                 EXPECT_SUCCESS(s2n_connection_get_ecc_preferences(client_conn, &ecc_pref));