diff --git a/lec.tex b/lec.tex
index d103b82..5863200 100644
--- a/lec.tex
+++ b/lec.tex
@@ -24,6 +24,7 @@ Christian Merten\\
 \input{lec03}
 \input{lec04}
 \input{lec05}
+\input{lec06}
 
 \bibliographystyle{alpha}
 \bibliography{refs}