diff --git a/requirements/main.txt b/requirements/main.txt
index 7ec7aed..d2e19bb 100644
--- a/requirements/main.txt
+++ b/requirements/main.txt
@@ -15,9 +15,7 @@ astropy==5.2.2
     #   -r requirements/main.in
     #   lsst-daf-butler
     #   lsst-utils
-async-timeout==4.0.3
-    # via asyncpg
-asyncpg==0.29.0
+asyncpg==0.27.0
     # via -r requirements/main.in
 click==8.1.3
     # via
@@ -31,7 +29,7 @@ deprecated==1.2.13
     #   lsst-utils
 fastapi==0.109.2
     # via -r requirements/main.in
-greenlet==3.0.3
+greenlet==2.0.2
     # via sqlalchemy
 h11==0.14.0
     # via uvicorn
@@ -96,7 +94,7 @@ pyyaml==6.0
     #   lsst-utils
 sniffio==1.3.0
     # via anyio
-sqlalchemy==2.0.28
+sqlalchemy==2.0.9
     # via
     #   -r requirements/main.in
     #   alembic