diff --git a/opencog/python/attic/requirements.txt b/opencog/python/attic/requirements.txt
index 4c6c986ff36..7c95f5aae41 100644
--- a/opencog/python/attic/requirements.txt
+++ b/opencog/python/attic/requirements.txt
@@ -13,3 +13,7 @@ flask-cors
 mock
 six
 graphviz
+fonttools>=4.43.0 # not directly required, pinned by Snyk to avoid a vulnerability
+pillow>=10.3.0 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability