diff --git a/docker-compose.e2e.yml b/docker-compose.e2e.yml
index 6dfd8b4..710d88f 100644
--- a/docker-compose.e2e.yml
+++ b/docker-compose.e2e.yml
@@ -12,6 +12,8 @@ services:
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
     networks:
       - e2e
+    tmpfs:
+      - /var/lib/postgresql/data
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
       interval: 5s