diff --git a/requirements_dev.txt b/requirements_dev.txt
index 7e1f54b..ed08783 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -10,3 +10,7 @@ twine==3.1.1
 
 pytest==4.6.5
 pytest-runner==5.1
+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
+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