diff --git a/Explore an HCA Data Set in Scanpy (May 2019)/requirements.txt b/Explore an HCA Data Set in Scanpy (May 2019)/requirements.txt
index 04a5f33..b7cb6e5 100644
--- a/Explore an HCA Data Set in Scanpy (May 2019)/requirements.txt	
+++ b/Explore an HCA Data Set in Scanpy (May 2019)/requirements.txt	
@@ -6,3 +6,11 @@ numpy
 pandas
 python-igraph
 scanpy>=1.3.2
+anyio>=4.4.0 # 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>=2.14.1 # not directly required, pinned by Snyk to avoid a vulnerability
+requests>=2.32.2 # not directly required, pinned by Snyk to avoid a vulnerability
+setuptools>=70.0.0 # not directly required, pinned by Snyk to avoid a vulnerability
+tornado>=6.4.1 # 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