diff --git a/modules/sync/requirements.txt b/modules/sync/requirements.txt
index ec41eacf..74333499 100644
--- a/modules/sync/requirements.txt
+++ b/modules/sync/requirements.txt
@@ -1,7 +1,7 @@
 cssselect==0.9.2
 lxml==4.6.2
 Markdown==2.6.6
-Pillow==7.1.0
+Pillow==8.1.1
 pymongo==3.3.0
 PyPDF2==1.26.0
 python-frontmatter==0.3.1