diff --git a/admin-tools/pyenv-newest-versions b/admin-tools/pyenv-newest-versions
index 2198b459..8e2b4e5d 100644
--- a/admin-tools/pyenv-newest-versions
+++ b/admin-tools/pyenv-newest-versions
@@ -5,4 +5,4 @@ if [[ $0 == ${BASH_SOURCE[0]} ]] ; then
     echo "This script should be *sourced* rather than run directly through bash"
     exit 1
 fi
-export PYVERSIONS='3.6.15 3.7.12 3.8.11'
+export PYVERSIONS='3.6.15 3.7.12 pyston-2.3 3.8.11'