diff --git a/requirements.txt b/requirements.txt
index d28a5ac..3f8a936 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ pdfminer.six
 argparse
 tqdm
 unicodedata2==11.0.0
-signal
\ No newline at end of file
+signals