diff --git a/scripts/setup-ubuntu.sh b/scripts/setup-ubuntu.sh
index 1c8102538..160c92b75 100755
--- a/scripts/setup-ubuntu.sh
+++ b/scripts/setup-ubuntu.sh
@@ -38,6 +38,7 @@ PACKAGES+=" libjpeg-dev" # Needed by ghostscript
 PACKAGES+=" gawk" # Needed by apr-util
 PACKAGES+=" libssl-dev" # Needed to build Rust
 PACKAGES+=" gnupg" # Needed to verify downloaded .debs
+PACKAGES+=" devscripts" # Provides utility "debdiff".
 
 sudo DEBIAN_FRONTEND=noninteractive \
 	apt-get install -yq --no-install-recommends $PACKAGES