diff --git a/.gitignore b/.gitignore
index 5466fa5..5c70ae3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-.*_cache
+.*_cache*
 .coverage*
 .DS_Store
 .venv
diff --git a/src/summarizer/app.py b/src/summarizer/app.py
index 0877e40..b864457 100644
--- a/src/summarizer/app.py
+++ b/src/summarizer/app.py
@@ -1,10 +1,14 @@
 """Main module for the application."""
 
+from langchain.cache import SQLiteCache
+from langchain.globals import set_llm_cache
+
 from summarizer.cli import create_argument_parser
 from summarizer.summarize import summarize_path
 
 
 def main() -> None:
     """Run the main program."""
+    set_llm_cache(SQLiteCache(database_path=".summarizer_cache.db"))
     args = create_argument_parser().parse_args()
     print(summarize_path(args.path))