diff --git a/requirements-dev.txt b/requirements-dev.txt
index 3d25f0c2c..414778ba6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -20,3 +20,4 @@ twine~=6.1.0
 types-retry~=0.9.9.20241221
 networkx~=3.1.0
 networkx-stubs~=0.0.1
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability