diff --git a/backend/requirements.txt b/backend/requirements.txt
index 3e7761d..852585f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -2,4 +2,5 @@ uvicorn==0.13.4
 requests==2.25.1
 fastapi==0.65.2
 pytest==6.2.4
-pytest-cov==2.12.1
\ No newline at end of file
+pytest-cov==2.12.1
+h11>=0.16.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file