diff --git a/Makefile b/Makefile
index e93612c..98890c6 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@
 	cp listings/lstlang*.sty listings/lstlocal.cfg $(LATEX)/listings
 
 	@mkdir -p $(LATEX)/lectures
-	(cd lectures; cp *.cls *.sty $(LATEX)/lectures)
+	(cd lectures; cp -R *.cls *.sty deprecated $(LATEX)/lectures)
 
 	@mkdir -p $(LATEX)/infosciletterhead
 	(cd infosciletterhead; cp infosciletterhead.cls infosciletterhead.pdf $(LATEX)/lectures)