diff --git a/README.rst b/README.rst
index caf710f..a2e45bc 100644
--- a/README.rst
+++ b/README.rst
@@ -82,7 +82,7 @@ for gstreamer: [optional]
 	libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev
 
 for qcam: [optional]
-	qtbase5-dev libqt5core5a libqt5gui5 libqt5widgets5 qttools5-dev-tools
+	qtbase5-dev libqt5core5a libqt5gui5 libqt5widgets5 qttools5-dev-tools libtiff-dev
 
 Using GStreamer plugin
 ~~~~~~~~~~~~~~~~~~~~~~