diff --git a/docker-compose.yml b/docker-compose.yml
index a957959..940bee2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -26,8 +26,8 @@ services:
     ports:
       - "80:80"
     environment:
-      - SIMPLIFIED_TEST_DATABASE=postgresql://simplified_test:simplified_test@libreg_local_db:5433/simplified_registry_test
-      - SIMPLIFIED_PRODUCTION_DATABASE=postgresql://simplified:simplified@libreg_local_db:5433/simplified_registry_dev
+      - SIMPLIFIED_TEST_DATABASE=postgresql://simplified_test:simplified_test@libreg_local_db:5433/simplified_registry_test?sslmode=require
+      - SIMPLIFIED_PRODUCTION_DATABASE=postgresql://simplified:simplified@libreg_local_db:5433/simplified_registry_dev?sslmode=require
       - FLASK_ENV=development
       - AWS_ACCESS_KEY_ID=TEST
       - AWS_SECRET_ACCESS_KEY=testpassword
diff --git a/tox.ini b/tox.ini
index eb810b8..c8a382e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,7 @@ passenv =
     SIMPLIFIED_*
     CI
 setenv =
-    docker: SIMPLIFIED_TEST_DATABASE=postgresql://simplified_test:test@localhost:9015/simplified_registry_test
+    docker: SIMPLIFIED_TEST_DATABASE=postgresql://simplified_test:test@localhost:9015/simplified_registry_test?sslmode=require
     docker: AWS_ACCESS_KEY_ID=TEST
     docker: AWS_SECRET_ACCESS_KEY=testpassword
     docker: SIMPLIFIED_AWS_S3_ENDPOINT_URL=http://localhost:9004