diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 88bf125..ec24878
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ kazoo==2.9.0
 tox==4.4.4
 requests>=2.31.0
 mmh3>=2.3.1
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability