diff --git a/package-lock.json b/package-lock.json
index ba6a400..202f027 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "@modelcontextprotocol/sdk": "^1.30.0",
         "@modelcontextprotocol/server": "^2.0.0",
         "@napi-rs/keyring": "1.3.0",
-        "dotenv": "^17.4.2",
+        "dotenv": "^18.0.4",
         "hono": "4.13.7",
         "zod": "^4.2.0",
         "zod-to-json-schema": "3.25.2"
@@ -2652,10 +2652,13 @@
       }
     },
     "node_modules/dotenv": {
-      "version": "17.4.2",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.4.2.tgz",
-      "integrity": "sha512-nI4U3TottKAcAD9LLud4Cb7b2QztQMUEfHbvhTH09bqXTxnSie8WnjPALV/WMCrJZ6UV/qHJ6L03OqO3LcdYZw==",
+      "version": "18.0.4",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-18.0.4.tgz",
+      "integrity": "sha512-jGt9uI5BIxpVO15kvy+iEFqNAwxYClKWnkptLjSNPnFLC003Imd0ofr3aEVsbpHdSBdSsbcApNIlz4nbyGMwdA==",
       "license": "BSD-2-Clause",
+      "bin": {
+        "dotenv": "dist/index.cjs"
+      },
       "engines": {
         "node": ">=12"
       },
diff --git a/package.json b/package.json
index c892be9..3fc9316 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "@modelcontextprotocol/sdk": "^1.30.0",
     "@modelcontextprotocol/server": "^2.0.0",
     "@napi-rs/keyring": "1.3.0",
-    "dotenv": "^17.4.2",
+    "dotenv": "^18.0.4",
     "hono": "4.13.7",
     "zod": "^4.2.0",
     "zod-to-json-schema": "3.25.2"