diff --git a/codebuild/release/validate.yml b/codebuild/release/validate.yml
index eacf49ae..7f0fda4b 100644
--- a/codebuild/release/validate.yml
+++ b/codebuild/release/validate.yml
@@ -28,7 +28,7 @@ phases:
       - |
         while [ $NUM_RETRIES -gt 0 ]
         do
-          tox -re py38-examples
+          tox -re py3-examples
           if [ $? -eq 0 ]; then
             break
           fi
diff --git a/doc/conf.py b/doc/conf.py
index 2bc924ac..4e87cadd 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -62,7 +62,7 @@ def get_version():
 pygments_style = "sphinx"
 
 autoclass_content = "both"
-autodoc_default_flags = ["show-inheritance", "members"]
+autodoc_default_options = {"members": True, "show-inheritance": True}
 autodoc_member_order = "bysource"
 
 html_theme = "sphinx_rtd_theme"
diff --git a/examples/tox.ini b/examples/tox.ini
index ef7d4072..eb8b1aad 100644
--- a/examples/tox.ini
+++ b/examples/tox.ini
@@ -2,7 +2,7 @@
 
 [tox]
 envlist =
-    py{36,37,38,39}-examples
+    py{3,36,37,38,39}-examples
 
 [testenv:base-command]
 commands = python -m pytest --basetemp={envtmpdir} -l {posargs}