diff --git a/requirements.txt b/requirements.txt
index 111c2e4..4f84bda 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,5 @@ mock
 setuptools_scm
 MarkupSafe
 setuptools>=40.0
-configparser>=3.5
\ No newline at end of file
+configparser>=3.5
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file