diff --git a/requirements.txt b/requirements.txt
index bebcdc1..b847e61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 # Dependencies required for installation (keep in sync with setup.py)
-requests>=2.16.2
+requests>=2.32.4
 six >= 1.12.0
 stone>=2,<3.3.3
 # Other dependencies for development
@@ -10,3 +10,4 @@ sphinx
 sphinx_rtd_theme
 twine
 wheel
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability