diff --git a/mypy.ini b/mypy.ini
index 2c9ba5187..4314e4db8 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -3,6 +3,7 @@ ignore_missing_imports = True
 warn_unused_ignores = True
 show_error_codes = True
 disallow_untyped_defs = True
+strict_equality = True
 
 # Using stricter settings here is being tracked by
 # https://github.com/certbot/certbot/issues/9647.
diff --git a/tox.ini b/tox.ini
index 0ed68166d..82a07f0d6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,7 +8,9 @@ pytest = python -m pytest {posargs}
 # Paths are listed on one line because tox seems to have inconsistent
 # behavior with substitutions that contain line continuations, see
 # https://github.com/tox-dev/tox/issues/2069 for more info.
-source_paths = acme/acme certbot/certbot certbot-apache/certbot_apache certbot-ci/certbot_integration_tests certbot-ci/snap_integration_tests certbot-compatibility-test/certbot_compatibility_test certbot-dns-cloudflare/certbot_dns_cloudflare certbot-dns-digitalocean/certbot_dns_digitalocean certbot-dns-dnsimple/certbot_dns_dnsimple certbot-dns-dnsmadeeasy/certbot_dns_dnsmadeeasy certbot-dns-gehirn/certbot_dns_gehirn certbot-dns-google/certbot_dns_google certbot-dns-linode/certbot_dns_linode certbot-dns-luadns/certbot_dns_luadns certbot-dns-nsone/certbot_dns_nsone certbot-dns-ovh/certbot_dns_ovh certbot-dns-rfc2136/certbot_dns_rfc2136 certbot-dns-route53/certbot_dns_route53 certbot-dns-sakuracloud/certbot_dns_sakuracloud certbot-nginx/certbot_nginx
+mypy_strict_source_paths = certbot-ci/snap_integration_tests certbot-dns-cloudflare/certbot_dns_cloudflare certbot-dns-digitalocean/certbot_dns_digitalocean certbot-dns-dnsimple/certbot_dns_dnsimple certbot-dns-dnsmadeeasy/certbot_dns_dnsmadeeasy certbot-dns-gehirn/certbot_dns_gehirn certbot-dns-google/certbot_dns_google certbot-dns-linode/certbot_dns_linode certbot-dns-luadns/certbot_dns_luadns certbot-dns-nsone/certbot_dns_nsone certbot-dns-ovh/certbot_dns_ovh certbot-dns-rfc2136/certbot_dns_rfc2136 certbot-dns-route53/certbot_dns_route53 certbot-dns-sakuracloud/certbot_dns_sakuracloud
+mypy_no_strict_source_paths = acme/acme certbot/certbot certbot-apache/certbot_apache certbot-ci/certbot_integration_tests certbot-compatibility-test/certbot_compatibility_test certbot-nginx/certbot_nginx
+source_paths = {[base]mypy_strict_source_paths} {[base]mypy_no_strict_source_paths}
 
 [testenv]
 platform =
@@ -102,7 +104,9 @@ commands = python -m pylint --reports=n --rcfile=.pylintrc {[base]source_paths}
 deps =
     {[testenv]deps}
     -e certbot-ci
-commands = mypy {[base]source_paths} --strict-equality
+commands =
+    mypy {[base]mypy_no_strict_source_paths}
+    mypy {[base]mypy_strict_source_paths} --strict
 
 [testenv:isolated-acme]
 description = Tests acme without any Certbot components installed