diff --git a/Dockerfile b/Dockerfile
index f6b1b5d..50ea240 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@ ENV PGHOST=""
 ENV PGDATABASE="mainscnt"
 ENV PGUSER="sink"
 ENV PGPASSWORD=""
-ENV PGSSLMODE="disable"
+ENV PGSSLMODE="require"
 ENV LOWER_BOUND="44000"
 ENV UPPER_BOUND="56000"