diff --git a/build-requirements.txt b/build-requirements.txt
index 78eeea80..9685f6e0 100644
--- a/build-requirements.txt
+++ b/build-requirements.txt
@@ -1,2 +1,3 @@
 GitPython==3.1.3
-twine==3.2.0
\ No newline at end of file
+twine==3.2.0
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file