diff --git a/Python/Pdf_Reader/requirements.txt b/Python/Pdf_Reader/requirements.txt
index 7d1290fb..0a050201 100644
--- a/Python/Pdf_Reader/requirements.txt
+++ b/Python/Pdf_Reader/requirements.txt
@@ -1,3 +1,3 @@
-PyPDF2==1.26.0
+PyPDF2==1.27.9
 pyttsx3==2.7
 pywin32
\ No newline at end of file