diff --git a/script/analyze_component_buses.py b/script/analyze_component_buses.py
index 17af7af577..e6c6884734 100755
--- a/script/analyze_component_buses.py
+++ b/script/analyze_component_buses.py
@@ -221,6 +221,9 @@ def analyze_yaml_file(yaml_file: Path) -> dict[str, Any]:
 
     try:
         data = yaml_util.load_yaml(yaml_file)
+        # Top-level !include returns an IncludeFile that must be resolved
+        if isinstance(data, yaml_util.IncludeFile):
+            data = data.load()
         result["loaded"] = True
     except Exception:  # pylint: disable=broad-exception-caught
         return result
diff --git a/script/merge_component_configs.py b/script/merge_component_configs.py
index 41bbafcd02..453d4109dd 100755
--- a/script/merge_component_configs.py
+++ b/script/merge_component_configs.py
@@ -27,6 +27,7 @@ sys.path.insert(0, str(Path(__file__).parent.parent))
 
 from esphome import yaml_util
 from esphome.config_helpers import merge_config
+from esphome.yaml_util import IncludeFile
 from script.analyze_component_buses import PACKAGE_DEPENDENCIES, get_common_bus_packages
 
 # Prefix for dependency markers in package tracking
@@ -46,7 +47,12 @@ def load_yaml_file(yaml_file: Path) -> dict:
     if not yaml_file.exists():
         raise FileNotFoundError(f"YAML file not found: {yaml_file}")
 
-    return yaml_util.load_yaml(yaml_file)
+    data = yaml_util.load_yaml(yaml_file)
+    # Top-level !include (e.g., `!include common.yaml`) returns an IncludeFile
+    # that must be resolved before we can work with it as a dict.
+    if isinstance(data, IncludeFile):
+        data = data.load()
+    return data
 
 
 @lru_cache(maxsize=256)