diff --git a/requirements.txt b/requirements.txt
index f80356e22..3428801aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,3 +11,4 @@ requests==2.25.1
 
 setuptools==51.0.0
 setuptools-scm==5.0.1
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability