diff --git a/requirements.txt b/requirements.txt
index fba6d1c..db2aab1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,6 @@ Markdown>=3.3.6
 Pygments>=2.11.2
 PyYAML>=6.0
 docopt>=0.6.2
-requests>=2.27.1
\ No newline at end of file
+requests>=2.27.1
+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
\ No newline at end of file