diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1543142..4f240fc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,8 +11,29 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  install:
+    name: install
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Cache bun install
+        uses: actions/cache@v5
+        with:
+          path: ~/.bun/install/cache
+          key: bun-${{ runner.os }}-${{ hashFiles('bun.lock') }}
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
   check:
     name: ${{ matrix.task.name }}
+    needs: install
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -31,6 +52,12 @@ jobs:
         with:
           bun-version: latest
 
+      - name: Restore bun install cache
+        uses: actions/cache@v5
+        with:
+          path: ~/.bun/install/cache
+          key: bun-${{ runner.os }}-${{ hashFiles('bun.lock') }}
+
       - name: Install dependencies
         run: bun install --frozen-lockfile