diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 7adba92bf6b..f1e2e8590e3 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -949,6 +949,9 @@ ha-iotawattpy==0.1.2
 # homeassistant.components.philips_js
 ha-philipsjs==3.2.2
 
+# homeassistant.components.homeassistant_hardware
+ha-silabs-firmware-client==0.2.0
+
 # homeassistant.components.habitica
 habiticalib==0.3.7
 
@@ -2396,6 +2399,9 @@ ultraheat-api==0.5.7
 # homeassistant.components.unifiprotect
 unifi-discovery==1.2.0
 
+# homeassistant.components.homeassistant_hardware
+universal-silabs-flasher==0.0.30
+
 # homeassistant.components.upb
 upb-lib==0.6.1
 
diff --git a/script/gen_requirements_all.py b/script/gen_requirements_all.py
index f155068c7e7..acc87ec2731 100755
--- a/script/gen_requirements_all.py
+++ b/script/gen_requirements_all.py
@@ -266,7 +266,8 @@ def has_tests(module: str) -> bool:
     Test if exists: tests/components/hue/__init__.py
     """
     path = (
-        Path(module.replace(".", "/").replace("homeassistant", "tests")) / "__init__.py"
+        Path(module.replace(".", "/").replace("homeassistant", "tests", 1))
+        / "__init__.py"
     )
     return path.exists()