diff --git a/docker-compose.yml b/docker-compose.yml
index f3e6c2106..9bd70a27c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,7 +3,7 @@ version: '3.4'
 services:
   db:
     # https://hub.docker.com/_/postgres
-    image: postgres:12.6-alpine@sha256:b5c57d326a4cb8cf2fd5cdedc758ed72146a69304ae434b177088b94a7c9e6b8
+    image: postgres:12.21-alpine@sha256:07be8dd3666cb91695dad0728eb3b99337f0d283eecc291115b4e7553c2452c6
     expose:
       - "5432"
     ports: