diff --git a/requirements.txt b/requirements.txt
index 5812152..5ad12d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,6 @@ Jinja2==2.11.3
 MarkupSafe==1.1.1
 PyYAML==5.4.1
 requests==2.25.1
-urllib3==1.26.5
+urllib3==1.26.18
 Werkzeug==1.0.1
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability