diff --git a/tools/pretty_tox_serial.sh b/tools/pretty_tox_serial.sh
index e0fca0f..1f8204e 100755
--- a/tools/pretty_tox_serial.sh
+++ b/tools/pretty_tox_serial.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+echo "WARNING: This script is deprecated and will be removed in the near future. Please migrate to tempest run or another method of launching a test runner"
+
 set -o pipefail
 
 TESTRARGS=$@