diff --git a/requirements-dev.txt b/requirements-dev.txt
index f0b49a20..f5114630 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,4 +4,5 @@ codecov==2.1.12
 requests==2.26.0
 flake8==3.9.2
 wheel==0.36.2
-requests==2.26.0
\ No newline at end of file
+requests==2.26.0
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file