diff --git a/requirements-travis.txt b/requirements-travis.txt
index e3ddab8..7218098 100644
--- a/requirements-travis.txt
+++ b/requirements-travis.txt
@@ -1,4 +1,5 @@
 pytest==8.1.1
 Sphinx==1.7.2
 PyYAML==5.1
-ipython==6.3.1
\ No newline at end of file
+ipython==6.3.1
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file