diff --git a/scripts/setup-ubuntu.sh b/scripts/setup-ubuntu.sh
index a9ef245bc..e70118f84 100755
--- a/scripts/setup-ubuntu.sh
+++ b/scripts/setup-ubuntu.sh
@@ -45,6 +45,7 @@ PACKAGES+=" jq" # Needed by bintray upload script.
 PACKAGES+=" lua5.3" # Needed to build luarocks package.
 PACKAGES+=" python3-recommonmark" # needed for llvm-8 documentation
 PACKAGES+=" llvm-8-tools" # so we don't build llvm for build
+PACKAGES+=" valac" # for ccnet
 PACKAGES+=" openssl" # Needed by swi-prolog
 PACKAGES+=" libssl-dev:i386" # Needed by swi-prolog 32-bit
 PACKAGES+=" zlib1g-dev:i386"