diff --git a/paper/Makefile b/paper/Makefile
index 864e300..f3acae9 100644
--- a/paper/Makefile
+++ b/paper/Makefile
@@ -2,7 +2,7 @@
 
 all: paper.pdf
 
-paper.pdf: paper.tex $(wildcard *.tikz)
+paper.pdf: paper.tex $(wildcard *.tikz) version.txt
 	latexmk -pdf
 
 clean: