diff --git a/.github/actions/setup-bun/action.yml b/.github/actions/setup-bun/action.yml
index 3786f4834eb..8d3284620c6 100644
--- a/.github/actions/setup-bun/action.yml
+++ b/.github/actions/setup-bun/action.yml
@@ -14,6 +14,15 @@ runs:
       with:
         bun-version-file: package.json
 
+    - name: Cache ~/.bun
+      id: cache-bun
+      uses: actions/cache@v4
+      with:
+        path: ~/.bun
+        key: ${{ runner.os }}-bun-${{ hashFiles('package.json') }}-${{ hashFiles('bun.lockb', 'bun.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-bun-${{ hashFiles('package.json') }}-
+
     - name: Install dependencies
       run: bun install
       shell: bash