diff --git a/lib/crewai-tools/src/crewai_tools/rag/data_types.py b/lib/crewai-tools/src/crewai_tools/rag/data_types.py
index 27ee48abb0..55eff96349 100644
--- a/lib/crewai-tools/src/crewai_tools/rag/data_types.py
+++ b/lib/crewai-tools/src/crewai_tools/rag/data_types.py
@@ -123,8 +123,9 @@ def get_file_type(path: str) -> DataType | None:
                 ".xml": DataType.XML,
                 ".txt": DataType.TEXT_FILE,
             }
+            lower_path = path.lower()
             for ext, dtype in mapping.items():
-                if path.endswith(ext):
+                if lower_path.endswith(ext):
                     return dtype
             return None