diff --git a/requirements.txt b/requirements.txt
index 4c34531..d8340a0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 openpyxl
-requests
\ No newline at end of file
+requests
+urllib3>=2.6.3 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file