diff --git a/changelogs/fragments/ansible-test-default-container.yml b/changelogs/fragments/ansible-test-default-container.yml
index b4a4ebd725d..b3d5bcf15e2 100644
--- a/changelogs/fragments/ansible-test-default-container.yml
+++ b/changelogs/fragments/ansible-test-default-container.yml
@@ -1,2 +1,2 @@
 minor_changes:
-  - ansible-test - The ``default`` test container has been updated to version 3.3.0 and now uses Python 3.9 by default instead of Python 3.6.
+  - ansible-test - The ``default`` test container has been updated to version 3.4.0 and now uses Python 3.9 by default instead of Python 3.6.
diff --git a/hacking/build-ansible.py b/hacking/build-ansible.py
index 8ebb88d33bd..c108c1861fa 100755
--- a/hacking/build-ansible.py
+++ b/hacking/build-ansible.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # coding: utf-8
 # PYTHON_ARGCOMPLETE_OK
 # Copyright: (c) 2019, Ansible Project
diff --git a/test/lib/ansible_test/_data/completion/docker.txt b/test/lib/ansible_test/_data/completion/docker.txt
index 12951a084c4..50cd3983060 100644
--- a/test/lib/ansible_test/_data/completion/docker.txt
+++ b/test/lib/ansible_test/_data/completion/docker.txt
@@ -1,5 +1,5 @@
-default name=quay.io/ansible/default-test-container:3.3.0 python=3.9,2.6,2.7,3.5,3.6,3.7,3.8 seccomp=unconfined context=collection
-default name=quay.io/ansible/ansible-core-test-container:3.3.0 python=3.9,2.6,2.7,3.5,3.6,3.7,3.8 seccomp=unconfined context=ansible-core
+default name=quay.io/ansible/default-test-container:3.4.0 python=3.9,2.6,2.7,3.5,3.6,3.7,3.8 seccomp=unconfined context=collection
+default name=quay.io/ansible/ansible-core-test-container:3.4.0 python=3.9,2.6,2.7,3.5,3.6,3.7,3.8 seccomp=unconfined context=ansible-core
 alpine3 name=quay.io/ansible/alpine3-test-container:2.0.2 python=3.8
 centos6 name=quay.io/ansible/centos6-test-container:2.0.2 python=2.6 seccomp=unconfined
 centos7 name=quay.io/ansible/centos7-test-container:2.0.2 python=2.7 seccomp=unconfined
diff --git a/test/sanity/ignore.txt b/test/sanity/ignore.txt
index 3f25b212852..01d520b308c 100644
--- a/test/sanity/ignore.txt
+++ b/test/sanity/ignore.txt
@@ -6,7 +6,6 @@ examples/scripts/my_test_facts.py shebang # example module but not in a normal m
 examples/scripts/my_test_info.py shebang # example module but not in a normal module location
 examples/scripts/upgrade_to_ps3.ps1 pslint:PSCustomUseLiteralPath
 examples/scripts/upgrade_to_ps3.ps1 pslint:PSUseApprovedVerbs
-hacking/build-ansible.py shebang # only run by release engineers, Python 3.6+ required
 hacking/build_library/build_ansible/announce.py compile-2.6!skip # release process only, 3.6+ required
 hacking/build_library/build_ansible/announce.py compile-2.7!skip # release process only, 3.6+ required
 hacking/build_library/build_ansible/announce.py compile-3.5!skip # release process only, 3.6+ required