diff --git a/README.md b/README.md
index 3d2aff3..fa45723 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,7 @@ PyQSO depends on the following Debian packages:
 
 * gir1.2-gtk-3.0
 * python2.7
+* python-gi-cairo (for log printing purposes)
 
 The following extra packages are necessary to enable the grey line tool: