diff --git a/BUILD.gn b/BUILD.gn
index bf7f4be..383295f 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -11,6 +11,9 @@
 
     # The tink library uses absl headers with implicit copy constructors.
     "-Wno-deprecated-copy",
+
+    # The tink library does not restrict extra semicolon.
+    "-Wno-extra-semi",
   ]
 
   include_dirs = [