diff --git a/scripts/setup-termux.sh b/scripts/setup-termux.sh
index 947ab9852..2a696e5d3 100755
--- a/scripts/setup-termux.sh
+++ b/scripts/setup-termux.sh
@@ -12,6 +12,7 @@ PACKAGES+=" termux-elf-cleaner"	# We can't build termux-elf-cleaner on android-5
 PACKAGES+=" unzip"			# Used to extract *.zip source archives.
 
 # Tier 2: requirements for building many other packages.
+PACKAGES+=" asciidoc"
 PACKAGES+=" autoconf"
 PACKAGES+=" automake"
 PACKAGES+=" bc"