diff --git a/requirements.txt b/requirements.txt
index ef70acd..4edb37a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 beautifulsoup4==4.7.1
 lxml==4.6.5
-PyMuPDF==1.14.8
+PyMuPDF==1.14.20
 PyQt5==5.11.3
 PyQt5-sip==4.19.13
 soupsieve==1.7.3