diff --git a/externs/closure-compiler.js b/externs/closure-compiler.js
index 763c409f16..7894661c23 100644
--- a/externs/closure-compiler.js
+++ b/externs/closure-compiler.js
@@ -7,3 +7,11 @@
  *
  * @externs
  */
+
+// see https://github.com/google/closure-compiler/pull/1206
+
+/**
+ * @type {string}
+ * @see http://www.w3.org/TR/pointerevents/#the-touch-action-css-property
+ */
+CSSProperties.prototype.touchAction;