diff --git a/.env.dev b/.env.dev
index 1f5592e..37d7ced 100644
--- a/.env.dev
+++ b/.env.dev
@@ -11,4 +11,4 @@ PBW_ENCRYPTION_KEY="encryption-key"
 
 # Database connection string for a PostgreSQL database where the pgbackweb
 # will store its data.
-PBW_POSTGRES_CONN_STRING="postgresql://postgres:password@localhost:5432/pgbackweb"
+PBW_POSTGRES_CONN_STRING="postgresql://postgres:password@host.docker.internal:5432/pgbackweb?sslmode=disable"