diff --git a/Makefile b/Makefile
index 2bf2c9f819..7bd3a1aef7 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,10 @@ DIST_FILES =	\
 	src/*.h \
 	src/UnicodeData.txt \
 	src/SpecialCasing.txt \
-	doc/SConscript
+	doc/SConscript \
+	doc/datetime.txt \
+	doc/regexp.txt \
+	doc/json.txt
 
 default:	all