diff --git a/CHANGELOG.md b/CHANGELOG.md
index d66c88c..39f7b08 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## next
 
 * Upgraded to PostgreSQL 15.2 and Redis 7.0 (#25)
+* Upgraded PostgreSQL to 16.4 (#27)
 
 ## 1.1.0
 
diff --git a/docker-compose.yml b/docker-compose.yml
index b47e6fd..eb8a51b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,7 @@ services:
     network_mode: bridge
 
   db:
-    image: postgres:16.3
+    image: postgres:16.4
     network_mode: bridge
     volumes:
       - ./config/postgres:/docker-entrypoint-initdb.d