diff --git a/src/Makefile b/src/Makefile
index 96343f1..cda1f57 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -21,6 +21,13 @@ all:
 		-no-pdf							\
 		SNOUG.tex
 	makeindex SNOUG
+	biber SNOUG
+	xelatex								\
+		-halt-on-error						\
+		-shell-escape						\
+		-interaction=nonstopmode				\
+		-no-pdf							\
+		SNOUG.tex
 	xelatex								\
 		-halt-on-error						\
 		-shell-escape						\