diff --git a/docker-compose.yml b/docker-compose.yml
index a3d978c..0031f55 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -25,7 +25,7 @@ services:
       db:
         condition: service_healthy
   db:
-    image: postgres:13.3-alpine@sha256:e98a69a836391fe94d889a6ccfbb21257b93f47b2794da114a82ef23e342342f
+    image: postgres:13.4-alpine@sha256:a8409dff6597f2ef5f7ecd3c672671bb2af9a390073efd74f95c54aa41cba22a
     restart: unless-stopped
     healthcheck:
       test: pg_isready