diff --git a/fet2020/requirements.txt b/fet2020/requirements.txt
index 3a26ba9d..fb6c4fb4 100644
--- a/fet2020/requirements.txt
+++ b/fet2020/requirements.txt
@@ -15,7 +15,7 @@ html2text==2020.1.16
 ldap3==2.9.1
 mysqlclient==2.1.1
 pillow==9.5.0
-pymupdf==1.23.11
+pymupdf==1.23.9
 reportlab<4
 segno==1.6.0
 xhtml2pdf==0.2.11   # dependency reportlab<4