diff --git a/requirements.txt b/requirements.txt
index 58980ad..60f9c91 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,5 @@ requests
 numpy
 scikit-image
 matplotlib
+networkx>=2.6 # not directly required, pinned by Snyk to avoid a vulnerability
+pillow>=8.3.2 # not directly required, pinned by Snyk to avoid a vulnerability