diff --git a/moon.mod b/moon.mod
new file mode 100644
index 0000000..88c4da5
--- /dev/null
+++ b/moon.mod
@@ -0,0 +1,18 @@
+name = "Nanaloveyuki/BitLogger"
+
+version = "1.0.0"
+
+import {
+  "maria/json_parser@0.1.1",
+  "moonbitlang/async@0.20.0",
+}
+
+readme = "src/README.mbt.md"
+
+repository = "https://github.com/Nanaloveyuki/BitLogger"
+
+license = "MIT"
+
+keywords = [ "logger", "logging", "moonbit" ]
+
+description = "A structured logger for MoonBit."
diff --git a/moon.mod.json b/moon.mod.json
deleted file mode 100644
index a6a60a6..0000000
--- a/moon.mod.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-  "name": "Nanaloveyuki/BitLogger",
-  "version": "0.5.3",
-  "deps": {
-    "maria/json_parser": "0.1.1",
-    "moonbitlang/async": "0.19.0"
-  },
-  "readme": "src/README.mbt.md",
-  "repository": "https://github.com/Nanaloveyuki/BitLogger",
-  "license": "MIT",
-  "keywords": [
-    "logger",
-    "logging",
-    "moonbit"
-  ],
-  "description": "A structured logger for MoonBit."
-}