diff --git a/requirements.txt b/requirements.txt
index 18e9c337..c9a1a7b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -109,7 +109,7 @@ draftjs_exporter>=2.1.5,<3.0
 Pillow>=4.0.0,<12.0.0
 beautifulsoup4>=4.8,<4.13
 html5lib>=0.999,<2
-Willow>=1.4,<1.9
+Willow>=1.4,<1.10
 filetype==1.2.0 # willow
 defusedxml==0.7.1 # willow
 requests>=2.11.1,<3.0