diff --git a/src/clew/clew.py b/src/clew/clew.py
index e7d276a..2fbbbea 100644
--- a/src/clew/clew.py
+++ b/src/clew/clew.py
@@ -7,6 +7,7 @@ import shutil
 import subprocess
 import sys
 from collections import deque
+from collections.abc import Callable
 from pathlib import Path
 
 from rpycdec.rpa import extract_rpa
@@ -84,7 +85,7 @@ def extract_game_files(game_root: Path, output_path: Path) -> None:
             shutil.copy2(item, destination)
 
 
-def find(root: Path, predicate) -> list[Path]:
+def find(root: Path, predicate: Callable[[Path], bool]) -> list[Path]:
     matches = []
     for current, _directories, files in os.walk(root):
         current_path = Path(current)