diff --git a/Doc/Makefile.deps b/Doc/Makefile.deps
index cd83d19c59d..22769669f34 100644
--- a/Doc/Makefile.deps
+++ b/Doc/Makefile.deps
@@ -84,6 +84,7 @@ LIBFILES= ../lib/lib.tex \
 	../lib/libsgmllib.tex \
 	../lib/librfc822.tex \
 	../lib/libmimetools.tex \
+	../lib/libmimewriter.tex \
 	../lib/libbinascii.tex \
 	../lib/libmm.tex \
 	../lib/libaudioop.tex \