diff --git a/Makefile b/Makefile
index e6c2e41..3aea63e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-SRC=${wildcard *.tex}
+SRC=${wildcard *.tex} these.bib
 OPT=--pdf --synctex --command "makeidx.style index.ist"
 
 all: main.pdf