diff --git a/esphome/platformio/library.py b/esphome/platformio/library.py
index 771570f872..ccc4c3d36c 100644
--- a/esphome/platformio/library.py
+++ b/esphome/platformio/library.py
@@ -459,7 +459,7 @@ def check_library_data(data: dict, platform: str | None, framework: str):
         )
 
 
-def _parse_library_json(library_json_path: PathType):
+def parse_library_json(library_json_path: PathType):
     """
     Load and parse a JSON file describing a library.
 
@@ -876,7 +876,7 @@ def convert_libraries(
             has_json = library_json_path.is_file()
             has_properties = library_properties_path.is_file()
         if has_json:
-            component.data = _parse_library_json(library_json_path)
+            component.data = parse_library_json(library_json_path)
         elif has_properties:
             component.data = parse_library_properties(library_properties_path)
         else: