diff --git a/.devcontainer/docker-compose.yml b/.devcontainer/docker-compose.yml
index e7a3a594f..d9d5660b6 100644
--- a/.devcontainer/docker-compose.yml
+++ b/.devcontainer/docker-compose.yml
@@ -31,7 +31,7 @@ services:
 
   db:
     restart: unless-stopped
-    image: postgres:15-alpine
+    image: postgres:17-alpine
     networks:
       - internal_network
     environment:
diff --git a/.github/ISSUE_TEMPLATE/01_bug-report.yml b/.github/ISSUE_TEMPLATE/01_bug-report.yml
index 89b8e7959..f3fe09949 100644
--- a/.github/ISSUE_TEMPLATE/01_bug-report.yml
+++ b/.github/ISSUE_TEMPLATE/01_bug-report.yml
@@ -54,7 +54,7 @@ body:
           * Model and OS of the device(s): MacBook Pro (14inch, 2021), macOS Ventura 13.4
           * Browser: Chrome 113.0.5672.126
           * Server URL: misskey.io
-          * Misskey: 13.x.x
+          * Misskey: 20xx.x.x
       value: |
         * Model and OS of the device(s):
         * Browser:
@@ -74,11 +74,11 @@ body:
 
         Examples:
           * Installation Method or Hosting Service: docker compose, k8s/docker, systemd, "Misskey install shell script", development environment
-          * Misskey: 13.x.x
+          * Misskey: 20xx.x.x
           * Node: 22.x.x
-          * PostgreSQL: 15.x.x
+          * PostgreSQL: 17.x.x
           * Redis: 7.x.x
-          * OS and Architecture: Ubuntu 22.04.2 LTS aarch64
+          * OS and Architecture: Ubuntu 24.04 LTS aarch64
       value: |
         * Installation Method or Hosting Service:
         * Misskey:
diff --git a/.github/workflows/test-backend.yml b/.github/workflows/test-backend.yml
index 9de9f8d63..8a239af4a 100644
--- a/.github/workflows/test-backend.yml
+++ b/.github/workflows/test-backend.yml
@@ -30,7 +30,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:15
+        image: postgres:17
         ports:
           - 54312:5432
         env:
@@ -101,7 +101,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:15
+        image: postgres:17
         ports:
           - 54312:5432
         env:
diff --git a/chart/templates/Deployment.yml b/chart/templates/Deployment.yml
index d92abda8b..ca45ca9c1 100644
--- a/chart/templates/Deployment.yml
+++ b/chart/templates/Deployment.yml
@@ -27,7 +27,7 @@ spec:
           ports:
             - containerPort: 3000
         - name: postgres
-          image: postgres:15-alpine
+          image: postgres:17-alpine
           env:
             - name: POSTGRES_USER
               value: "example-misskey-user"
diff --git a/docker-compose.local-db.yml b/docker-compose.local-db.yml
index 5b31fe106..c33b94e66 100644
--- a/docker-compose.local-db.yml
+++ b/docker-compose.local-db.yml
@@ -19,7 +19,7 @@ services:
 
   db:
     restart: always
-    image: postgres:15-alpine
+    image: postgres:17-alpine
     ports:
       - "5432:5432"
     env_file:
diff --git a/docker-compose_example.yml b/docker-compose_example.yml
index ea4a1fd46..602dc5d30 100644
--- a/docker-compose_example.yml
+++ b/docker-compose_example.yml
@@ -39,7 +39,7 @@ services:
 
   db:
     restart: always
-    image: postgres:15-alpine
+    image: postgres:17-alpine
     networks:
       - internal_network
     env_file:
diff --git a/packages/backend/test/docker-compose.yml b/packages/backend/test/docker-compose.yml
index 7d545e3ca..6236409a7 100644
--- a/packages/backend/test/docker-compose.yml
+++ b/packages/backend/test/docker-compose.yml
@@ -12,7 +12,7 @@ services:
       - "127.0.0.1:56312:6379"
 
   dbtest:
-    image: postgres:15
+    image: postgres:17
     ports:
       - "127.0.0.1:54312:5432"
     environment: