diff --git a/Doc/Makefile.deps b/Doc/Makefile.deps
index bfba9b7..8a04e04 100644
--- a/Doc/Makefile.deps
+++ b/Doc/Makefile.deps
@@ -54,6 +54,7 @@
 	../lib/libfpectl.tex \
 	../lib/libgc.tex \
 	../lib/libweakref.tex \
+	../lib/libdoctest.tex \
 	../lib/libtypes.tex \
 	../lib/libtraceback.tex \
 	../lib/libpickle.tex \
diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex
index e126cde..58e011f 100644
--- a/Doc/lib/lib.tex
+++ b/Doc/lib/lib.tex
@@ -109,6 +109,7 @@
 \input{libunicodedata}
 
 \input{libmisc}			% Miscellaneous Services
+\input{libdoctest}
 \input{libmath}
 \input{libcmath}
 \input{librandom}