diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 63b5179..f8402cf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Check out Git repository
@@ -16,11 +16,17 @@ jobs:
 
       - name: Install Bun
         uses: oven-sh/setup-bun@v2
-        with:
-          node-version: 20.18.0
 
       - name: Install dependencies
         run: bun install
 
       - name: Build Next.js App
         run: bun run build
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.bun/install/cache
+            ${{ github.workspace }}/.next/cache
+          key: ${{ runner.os }}-nextjs-${{ hashFiles('**/bun.lockb') }}-${{ hashFiles('**/*.js', '**/*.jsx', '**/*.ts', '**/*.tsx') }}
+          restore-keys: |
+            ${{ runner.os }}-nextjs-${{ hashFiles('**/bun.lockb') }}-
diff --git a/.github/workflows/lighthouse.yml b/.github/workflows/lighthouse.yml
index d80377d..c376adc 100644
--- a/.github/workflows/lighthouse.yml
+++ b/.github/workflows/lighthouse.yml
@@ -8,7 +8,8 @@ on:
 
 jobs:
   lighthouse:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
+
     steps:
       - uses: actions/checkout@v4
       - uses: oven-sh/setup-bun@v2
@@ -16,6 +17,14 @@ jobs:
         run: bun install
       - name: Build Next.js app
         run: bun run build
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.bun/install/cache
+            ${{ github.workspace }}/.next/cache
+          key: ${{ runner.os }}-nextjs-${{ hashFiles('**/bun.lockb') }}-${{ hashFiles('**/*.js', '**/*.jsx', '**/*.ts', '**/*.tsx') }}
+          restore-keys: |
+            ${{ runner.os }}-nextjs-${{ hashFiles('**/bun.lockb') }}-
       - name: Run Lighthouse CI
         run: |
           npm install -g @lhci/cli
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 792d053..57cfb76 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -4,7 +4,7 @@ on: pull_request
 
 jobs:
   lint:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Check out Git repository
@@ -12,8 +12,6 @@ jobs:
 
       - name: Install Bun
         uses: oven-sh/setup-bun@v2
-        with:
-          node-version: 20.18.0
 
       - name: Install dependencies
         run: bun install