diff --git a/leaktopus_backend/requirements.txt b/leaktopus_backend/requirements.txt
index 7ccf918..1c8605c 100644
--- a/leaktopus_backend/requirements.txt
+++ b/leaktopus_backend/requirements.txt
@@ -41,3 +41,4 @@ pytest-cov==4.0.0
 
 requests_cache==0.9.8
 pytest-httpserver==1.0.0
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability