diff --git a/GOMC_REST_VERSION b/GOMC_REST_VERSION
index 0d0c52f..2e7bd91 100644
--- a/GOMC_REST_VERSION
+++ b/GOMC_REST_VERSION
@@ -1 +1 @@
-v1.4.0
+v1.5.0
diff --git a/README.md b/README.md
index cbed687..5867ff1 100644
--- a/README.md
+++ b/README.md
@@ -107,7 +107,7 @@ boundary is the trust boundary here.
 
 ## Versions
 
-This package bundles a pinned `gomc-rest` binary (currently **v1.4.0**, set in
+This package bundles a pinned `gomc-rest` binary (currently **v1.5.0**, set in
 `GOMC_REST_VERSION`) that must satisfy `gomc-rest-client`'s
 `MINIMUM_SUPPORTED_GOMC_REST_VERSION`; `launch()` verifies this on startup. The
 `gomc-rest-client` dependency is capped (`>=0.10.0,<0.11`) so a future client
diff --git a/README_JP.md b/README_JP.md
index 7285af5..25eba9e 100644
--- a/README_JP.md
+++ b/README_JP.md
@@ -117,7 +117,7 @@ finally:
 ## バージョン
 
 同梱するgomc-restのバージョンは `GOMC_REST_VERSION` で固定しています
-（現在は **v1.4.0**）。`launch()` は起動時に、サーバーが
+（現在は **v1.5.0**）。`launch()` は起動時に、サーバーが
 `gomc-rest-client` の `MINIMUM_SUPPORTED_GOMC_REST_VERSION` を満たしているか
 確認します。
 
diff --git a/checksums/v1.5.0.sha256 b/checksums/v1.5.0.sha256
new file mode 100644
index 0000000..c198e91
--- /dev/null
+++ b/checksums/v1.5.0.sha256
@@ -0,0 +1,5 @@
+2e9dfce781f8c8242b2e6b26bfe093b7116348bef90d3b898de3a3e3bed28da1  gomc-rest.exe
+89e05412b5588988c96579331859d819e2c328cfc64bdc541fdecec47cc5699d  gomc-rest-linux-amd64
+3a979c5bea32325771a61acb1abc40e4a18196fbc9d5e33bd2ab9cbc44b03abb  gomc-rest-linux-arm64
+7e52784a2c410924386f2133c9fdd4c3ae008b63403a98fbf25cc1a6edc85354  gomc-rest-darwin-amd64
+5b6cf83101e7e25ed0dd3614678af983e2cbb039d5afbed83865c2acb01d82a6  gomc-rest-darwin-arm64