diff --git a/install-mysqlbu.sh b/install-mysqlbu.sh
index 0fa3d8e..b270aec 100755
--- a/install-mysqlbu.sh
+++ b/install-mysqlbu.sh
@@ -25,6 +25,7 @@ cd /tmp
 wget https://repo.percona.com/apt/percona-release_latest.$(lsb_release -sc)_all.deb
 do_with_root dpkg -i percona-release_latest.$(lsb_release -sc)_all.deb
 do_with_root percona-release enable-only tools release
+do_with_root $APTFUNC update
 do_with_root $APTFUNC -y install wget curl git xtrabackup
 
 do_with_root set -eu