diff --git a/CHANGES.md b/CHANGES.md
index bcc8be247..9b7524828 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -16,6 +16,7 @@
 
 ### Fixed
 
+* Add environment variables required by upgraded pgstac container ([#313](https://github.com/stac-utils/stac-fastapi/pull/313))
 * Enabled `ContextExtension` by default ([#207](https://github.com/stac-utils/stac-fastapi/issues/207))
 * Content-type response headers for the /search endpoint now reflect the geojson response expected in the STAC api spec ([#220](https://github.com/stac-utils/stac-fastapi/issues/220))
 * The minimum `limit` value for searches is now 1 ([#296](https://github.com/stac-utils/stac-fastapi/pull/296))
diff --git a/docker-compose.yml b/docker-compose.yml
index 4e697a02e..2529acb6f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,4 @@
 version: '3'
-
 services:
   app-sqlalchemy:
     container_name: stac-fastapi-sqlalchemy
@@ -76,6 +75,10 @@ services:
       - POSTGRES_USER=username
       - POSTGRES_PASSWORD=password
       - POSTGRES_DB=postgis
+      - PGUSER=username
+      - PGPASSWORD=password
+      - PGHOST=localhost
+      - PGDATABASE=postgis
     ports:
       - "5439:5432"
     command: postgres -N 500