diff --git a/requirements.txt b/requirements.txt
index 1e8fedb..7ad59c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 beautifulsoup4==4.7.1
 lxml==4.3.0
+PyMuPDF==1.14.7
 PyQt5==5.11.3
 PyQt5-sip==4.19.13
-soupsieve==1.7.2
+soupsieve==1.7.3