diff --git a/Makefile b/Makefile
index 27c4a14..5929387 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ DEP := \
 	content.tex		\
 	Makefile
 
-all: $(MAIN) $(DEP)
+all: $(MAIN)
 
 clean:
 	rm -f \
@@ -18,7 +18,7 @@ clean:
 	$(basename $(MAIN)).toc \
 	$(MAIN)
 
-$(MAIN):
+$(MAIN): $(DEP)
 	@latex $(SRC)
 	latex $(SRC)
 	dvipdf $(basename $(MAIN)).dvi $(MAIN)