diff --git a/misc/Makefile b/misc/Makefile
index 6cda206298a1e6372797500634aa7005d592f15a..c598ad4e56883bb49913e5c4197445c6ed61f501 100644
--- a/misc/Makefile
+++ b/misc/Makefile
@@ -1,6 +1,7 @@
 # Nothing here is built or distributed by default.
 
-all: serpent-sbox3.pdf serpent-sbox4.pdf serpent-sbox5.pdf
+all: serpent-sbox3.pdf serpent-sbox4.pdf serpent-sbox5.pdf \
+	serpent-sbox6.pdf serpent-sbox7.pdf
 
 %.pdf: %.dot
 	dot -Tpdf $< -o $@