diff --git a/requirements.txt b/requirements.txt
index ec0e69f..3873137 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,3 +8,4 @@ networkx~=2.4
 pyinstrument
 git+git://github.com/bluenote10/PandasDataFrameGUI@master#egg=dfgui
 
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability