diff --git a/requirements.txt b/requirements.txt
index ed03293..27d6447 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 requests==2.11.1
 requests-toolbelt==0.7.0
 moviepy==0.2.2.11
+pillow>=10.0.0 # not directly required, pinned by Snyk to avoid a vulnerability