diff --git a/tests/components/frontend/test_init.py b/tests/components/frontend/test_init.py
index 69643b10ec2..dcff80d3594 100644
--- a/tests/components/frontend/test_init.py
+++ b/tests/components/frontend/test_init.py
@@ -141,7 +141,7 @@ async def test_frontend_and_static(mock_http_client, mock_onboarded) -> None:
     text = await resp.text()
 
     # Test we can retrieve frontend.js
-    frontendjs = re.search(r"(?P<app>\/frontend_es5\/app.[A-Za-z0-9]{8}.js)", text)
+    frontendjs = re.search(r"(?P<app>\/frontend_es5\/app.[A-Za-z0-9_]{11}.js)", text)
 
     assert frontendjs is not None, text
     resp = await mock_http_client.get(frontendjs.groups(0)[0])
@@ -546,7 +546,7 @@ async def test_auth_authorize(mock_http_client) -> None:
 
     # Test we can retrieve authorize.js
     authorizejs = re.search(
-        r"(?P<app>\/frontend_latest\/authorize.[A-Za-z0-9]{8}.js)", text
+        r"(?P<app>\/frontend_latest\/authorize.[A-Za-z0-9_]{11}.js)", text
     )
 
     assert authorizejs is not None, text