diff --git a/scripts/setup-ubuntu.sh b/scripts/setup-ubuntu.sh
index fe08403699..f8f92d0ebe 100755
--- a/scripts/setup-ubuntu.sh
+++ b/scripts/setup-ubuntu.sh
@@ -53,6 +53,7 @@ PACKAGES+=" python3-sphinx"
 PACKAGES+=" texinfo"
 PACKAGES+=" xmlto"
 PACKAGES+=" xmltoman"
+PACKAGES+=" scdoc"
 
 # Needed by python modules (e.g. asciinema) and some build systems.
 PACKAGES+=" python3.7"