diff --git a/README.md b/README.md
index 5d66c0d..739e7c3 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,8 @@ Options:
         pngquant binary (default "pngquant")
   -q int
         quality - JPEG only (default 75)
+  -u    update to latest release
+  -v    show version number
 ```