diff --git a/requirements.txt b/requirements.txt
index c946498..ccec918 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,3 +21,4 @@ mock==3.0.5
 model-mommy==1.6.0
 xmlunittest==0.5.0
 vcrpy==2.1.0
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability