diff --git a/.gitignore b/.gitignore
index 1f93dfc..f3814e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,5 @@
 build
 
 .idea
+
+.mise.toml.local
diff --git a/.mise.toml b/.mise.toml
new file mode 100644
index 0000000..40a6bf0
--- /dev/null
+++ b/.mise.toml
@@ -0,0 +1,5 @@
+[env]
+# JAVA_HOME は mise が自動設定
+
+[tools]
+java = 'corretto-8'