diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 5d875a9..f2cb0d4 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -38,7 +38,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:15
+        image: postgres:16
         env:
           POSTGRES_PASSWORD: postgres
         options: >-
diff --git a/docker-compose.yml b/docker-compose.yml
index 085b16b..5f4174a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -17,7 +17,7 @@ services:
       redis:
         condition: service_started
   db:
-    image: postgres:15
+    image: postgres:16
     ports:
       - "5432:5432"
     environment: