diff --git a/Doc/Makefile.deps b/Doc/Makefile.deps
index ee76b22..b38d8e0 100644
--- a/Doc/Makefile.deps
+++ b/Doc/Makefile.deps
@@ -200,6 +200,7 @@
 	lib/libstat.tex \
 	lib/libstringio.tex \
 	lib/libtoken.tex \
+	lib/libkeyword.tex \
 	lib/libundoc.tex \
 	lib/libmailcap.tex \
 	lib/libglob.tex \