diff --git a/requirements-python3.txt b/requirements-python3.txt
index b834c7f82..55021caff 100644
--- a/requirements-python3.txt
+++ b/requirements-python3.txt
@@ -4,3 +4,4 @@ oauthlib>=1.0.3
 requests-oauthlib>=0.6.1
 six>=1.10.0
 PyJWT>=1.4.0
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability