diff --git a/include/linphone/auth_info.h b/include/linphone/auth_info.h
index 55e0d425c1e048bcd19128f84391a51d51a4ca85..4a00e324d873010e596e7dde9c1df3f5ee1f5bd0 100644
--- a/include/linphone/auth_info.h
+++ b/include/linphone/auth_info.h
@@ -61,6 +61,16 @@ LINPHONE_PUBLIC LinphoneAuthInfo *linphone_auth_info_new(const char *username, c
  */
 LINPHONE_PUBLIC LinphoneAuthInfo *linphone_auth_info_clone(const LinphoneAuthInfo* source);
 
+/**
+ * Take a reference on a #LinphoneAuthInfo.
+ */
+LINPHONE_PUBLIC LinphoneAuthInfo *linphone_auth_info_ref(LinphoneAuthInfo *info);
+
+/**
+ * Release a #LinphoneAuthInfo.
+ */
+LINPHONE_PUBLIC void linphone_auth_info_unref(LinphoneAuthInfo *info);
+
 /**
  * Sets the password.
  * @param[in] info The #LinphoneAuthInfo object
@@ -204,7 +214,7 @@ LINPHONE_PUBLIC const char *linphone_auth_info_get_tls_cert_path(const LinphoneA
 LINPHONE_PUBLIC const char *linphone_auth_info_get_tls_key_path(const LinphoneAuthInfo *info);
 
 /* you don't need those function*/
-LINPHONE_PUBLIC void linphone_auth_info_destroy(LinphoneAuthInfo *info);
+LINPHONE_PUBLIC LINPHONE_DEPRECATED void linphone_auth_info_destroy(LinphoneAuthInfo *info);
 
 /**
  * @}