diff --git a/requirements.txt b/requirements.txt
index 02846f0..8e97f9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,3 +20,4 @@ isort==5.10.1
 mypy==0.971
 pytest==7.1.2
 pytest-asyncio==0.19.0
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability