diff --git a/lessons/12_IGV.md b/lessons/12_IGV.md
index 028d3c0..0302b4a 100644
--- a/lessons/12_IGV.md
+++ b/lessons/12_IGV.md
@@ -346,6 +346,8 @@ We can now see that we have loaded our previous IGV session! ***It is VERY IMPOR
 
 **8)** *Bonus Challenge* Change the type of plot for "GC%" from a line plot to a heatmap.
 
+[Next Lesson >>](13_oncoprint_creation.md)
+
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