diff --git a/provision.sh b/provision.sh
index 3125a68990b7636439aad05381eca187b88d84c8..4b66c3ba2fba682eb942ac7fb6513dc751592598 100755
--- a/provision.sh
+++ b/provision.sh
@@ -27,7 +27,7 @@ apt-get install -qq -y make build-essential libssl1.0-dev zlib1g-dev libbz2-dev
 sudo -i -u vagrant gpg -q --import /vagrant/provision/python_releases_signing_keys.pub
 
 # Download and build additional Python versions.
-python_versions=("3.5.9" "3.6.10" "3.7.7" "3.8.2")
+python_versions=("3.5.10" "3.6.12" "3.7.9" "3.8.6" "3.9.0")
 work_directory="/home/vagrant/src"
 
 echo "Setting-up work directory."