diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index e75e719..7804578 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -38,7 +38,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:14
+        image: postgres:15
         env:
           POSTGRES_PASSWORD: postgres
         options: >-
diff --git a/docker-compose.yml b/docker-compose.yml
index 376a7ea..d971c9c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,7 +15,7 @@ services:
       - db
       - redis
   db:
-    image: postgres:14
+    image: postgres:15
     ports:
       - "5432:5432"
     environment: