diff --git a/src/gsupplicant.c b/src/gsupplicant.c
index ef5e677..bfd2e33 100644
--- a/src/gsupplicant.c
+++ b/src/gsupplicant.c
@@ -1,6 +1,6 @@
 /*
- * Copyright (C) 2015-2019 Jolla Ltd.
- * Copyright (C) 2015-2019 Slava Monich <slava.monich@jolla.com>
+ * Copyright (C) 2015-2020 Jolla Ltd.
+ * Copyright (C) 2015-2020 Slava Monich <slava.monich@jolla.com>
  *
  * You may use this file under the terms of BSD license as follows:
  *
@@ -30,6 +30,8 @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define GLIB_DISABLE_DEPRECATION_WARNINGS /* G_ADD_PRIVATE */
+
 #include "gsupplicant.h"
 #include "gsupplicant_dbus.h"
 #include "gsupplicant_util_p.h"