diff --git a/requirements.txt b/requirements.txt
index 574c7811c..076456b0d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,7 @@ django-storages==1.13.2
 django-storages[azure]
 environs==9.5.0
 flower==2.0.0
+grpcio=1.57.0 # Not a direct dependency, pinned to get a security fix
 libsass==0.22.0
 Markdown==3.4.1
 opentelemetry-api==1.16.0