diff --git a/.gn b/.gn
index 75872e3864..aea8f2c650 100644
--- a/.gn
+++ b/.gn
@@ -65,4 +65,7 @@ default_args = {
 
   # Differently from Chromium, WebRTC still support SDK 21.
   default_min_sdk_version = 21
+
+  # Prevent jsoncpp to pass -Wno-deprecated-declarations to users
+  jsoncpp_no_deprecated_declarations = false
 }