diff --git a/requirements.txt b/requirements.txt
index 04ae3e6..bcdb445 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,5 @@ seaborn>=0.11.0
 scipy>=1.7.1
 matplotlib>=3.4.3
 scikit-learn>=0.24.2
-scikit-plot>=0.3.7
\ No newline at end of file
+scikit-plot>=0.3.7
+pillow>=10.3.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file