diff --git a/requirements.txt b/requirements.txt
index 13ede72d5..9d12534c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,3 +11,4 @@ pillow
 numpy
 uuid==1.30
 
+httpx>=0.23.0 # not directly required, pinned by Snyk to avoid a vulnerability