diff --git a/README.md b/README.md
index 5a25191..f8b18b9 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ neat. Note: This is a beta release, so the interface is not yet stable.
 ### Runtime Dependencies
  * pixman
  * libuv
+ * gnutls (optional)
  * libturbojpeg (optional)
 
 ### Build Dependencies