diff --git a/requirements-demo.txt b/requirements-demo.txt
index 0643b5c..6cfed90 100644
--- a/requirements-demo.txt
+++ b/requirements-demo.txt
@@ -3,3 +3,10 @@ datasketch>=1.5.1
 conllu>=4.2.1
 matplotlib>=3.3.3
 mmh3>=3.0.0
+fonttools>=4.43.0 # not directly required, pinned by Snyk to avoid a vulnerability
+ipython>=8.10.0 # not directly required, pinned by Snyk to avoid a vulnerability
+jupyter-server>=2.11.2 # not directly required, pinned by Snyk to avoid a vulnerability
+numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
+pillow>=10.0.1 # not directly required, pinned by Snyk to avoid a vulnerability
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
+tornado>=6.3.3 # not directly required, pinned by Snyk to avoid a vulnerability