diff --git a/tests/data/actions/sphinx-setup.sh b/tests/data/actions/sphinx-setup.sh
index 4e67fdb4..27382092 100644
--- a/tests/data/actions/sphinx-setup.sh
+++ b/tests/data/actions/sphinx-setup.sh
@@ -2,6 +2,11 @@
 SCRIPT=$(readlink -f "$0")
 CWD=$(dirname "$SCRIPT")
 
+# https://askubuntu.com/a/1337909
+echo 'deb http://security.ubuntu.com/ubuntu xenial-security main' | sudo tee /etc/apt/sources.list.d/xenial-security.list
+sudo apt update
+sudo apt install libmysqlclient20
+
 # install sphinx from https://sphinxsearch.com/downloads/release/
 wget http://sphinxsearch.com/files/sphinxsearch_2.2.11-release-1~xenial_amd64.deb
 sudo dpkg -i sphinxsearch_2.2.11-release-1~xenial_amd64.deb