diff --git a/requirements.txt b/requirements.txt
index d07e112b..a9b4a0f3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ pdfCropMargins
 pdf2image
 pdfminer.six
 python-dotenv
-python-telegram-bot==13.12
+python-telegram-bot==21.4
 Pillow
 PyPDF2
 requests