diff --git a/.github/workflows/create-data.yml b/.github/workflows/create-data.yml
index aec57e8..3f64fe8 100644
--- a/.github/workflows/create-data.yml
+++ b/.github/workflows/create-data.yml
@@ -58,6 +58,15 @@ jobs:
         run: |
           ./deploy/01_sync_to_s3.sh
 
+      - name: Create archive
+        run: |
+          ./deploy/01a_create_archive.sh
+
+      - name: Upload archive to S3
+        run: |
+          aws s3 cp \
+            ./out/api.tar.zst s3://japanese-addresses-v2.geoloniamaps.com/experimental/api.tar.zst
+
   clear-cdn-cache:
     needs:
       - create-data
diff --git a/README.md b/README.md
index 6126709..94c3570 100644
--- a/README.md
+++ b/README.md
@@ -91,6 +91,17 @@ $ npm run run:03_make_rsdt # 住居表示住所API作成 (町字APIが先に作
 $ npm run run:04_make_chiban # 地番住所API作成 (町字APIが先に作らないとエラーになります)
 ```
 
+TARファイルに丸める場合は
+
+```shell
+VERSION="$(date -u '+%4Y%m%d%H%M%S')"
+cd ./out
+tar -cf "api-$VERSION.tar" ./api
+zstd -T0 -19 -z "api-$VERSION.tar"
+```
+
+`deploy/01a_create_archive.sh` を参照してください
+
 ### API の構成
 
 ```shell
diff --git a/deploy/01a_create_archive.sh b/deploy/01a_create_archive.sh
new file mode 100755
index 0000000..ac00eaf
--- /dev/null
+++ b/deploy/01a_create_archive.sh
@@ -0,0 +1,5 @@
+#!/bin/bash -e
+
+cd "$(dirname "$0")"/../out
+tar -cf "api.tar" ./api
+zstd -T0 -19 --rm -z "api.tar"