diff --git a/requirements_test.txt b/requirements_test.txt
index 8bd10f3ed619..380240e3ffc5 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -13,7 +13,7 @@ pre-commit==2.9.3
 pylint==2.6.0
 astroid==2.4.2
 pipdeptree==1.0.0
-awesomeversion==21.1.6
+awesomeversion==21.2.0
 pylint-strict-informational==0.1
 pytest-aiohttp==0.3.0
 pytest-cov==2.10.1
diff --git a/script/hassfest/manifest.py b/script/hassfest/manifest.py
index e02df86f4e18..3beb6aadfc5f 100644
--- a/script/hassfest/manifest.py
+++ b/script/hassfest/manifest.py
@@ -59,6 +59,7 @@ def verify_version(value: str):
         AwesomeVersionStrategy.SEMVER,
         AwesomeVersionStrategy.SIMPLEVER,
         AwesomeVersionStrategy.BUILDVER,
+        AwesomeVersionStrategy.PEP440,
     ]:
         raise vol.Invalid(
             f"'{version}' is not a valid version. This will cause a future version of Home Assistant to block this integration.",