diff --git a/.gn b/.gn
index 542ee5b..41187fd 100644
--- a/.gn
+++ b/.gn
@@ -11,4 +11,7 @@
 
   # Turns on compiler optimizations in V8 in Debug build.
   v8_optimized_debug = true
+
+  # PDFium does not want to switch to C++14 yet.
+  use_cxx11 = true
 }