diff --git a/requirements/app/base.txt b/requirements/app/base.txt
index d878477120..6b8f56968a 100644
--- a/requirements/app/base.txt
+++ b/requirements/app/base.txt
@@ -14,6 +14,7 @@ psutil<5.9.5
 click<=8.1.3
 
 fastapi>=0.65.1,<0.89.0  # strict; TODO: broken serializations
+fastapi[all]>=0.65.1,<0.89.0  # strict; lightning-cloud specifies all, and pip dependency resolution has issues with it
 starlette  # https://fastapi.tiangolo.com/deployment/versions/#about-starlette
 pydantic>=1.6.2,<2.0.0  # https://fastapi.tiangolo.com/deployment/versions/#about-pydantic