diff --git a/docs/content/setup/docker.md b/docs/content/setup/docker.md
index ab029bad0..2bf98f0a2 100644
--- a/docs/content/setup/docker.md
+++ b/docs/content/setup/docker.md
@@ -18,7 +18,7 @@ The easiest way to get started with HedgeDoc and Docker is to use the following
 version: '3'
 services:
   database:
-    image: postgres:9.6-alpine
+    image: postgres:13.4-alpine
     environment:
       - POSTGRES_USER=hedgedoc
       - POSTGRES_PASSWORD=password