--- a/contrib/automation/hgautomation/linux.py	Thu Oct 08 18:02:47 2020 -0700
+++ b/contrib/automation/hgautomation/linux.py	Thu Oct 08 18:07:34 2020 -0700
@@ -26,11 +26,11 @@
 
 INSTALL_PYTHONS = r'''
 PYENV2_VERSIONS="2.7.17 pypy2.7-7.2.0"
-PYENV3_VERSIONS="3.5.10 3.6.12 3.7.9 3.8.6 pypy3.5-7.0.0 pypy3.6-7.3.0"
+PYENV3_VERSIONS="3.5.10 3.6.12 3.7.9 3.8.6 3.9.0 pypy3.5-7.0.0 pypy3.6-7.3.0"
 
 git clone https://github.com/pyenv/pyenv.git /hgdev/pyenv
 pushd /hgdev/pyenv
-git checkout 8bf79eb44ce1ea0a8b36544eb3e8a694a3a6ed78
+git checkout 8ac91b4fd678a8c04356f5ec85cfcd565c265e9a
 popd
 
 export PYENV_ROOT="/hgdev/pyenv"