diff --git a/README.md b/README.md
index 29669cf..052765b 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ import {
   post,
   redirect,
   contentType,
-} from "https://denopkg.com/syumai/dinatra@0.12.1/mod.ts";
+} from "https://denopkg.com/syumai/dinatra@0.13.0/mod.ts";
 
 app(
   get("/hello", () => "hello"),
diff --git a/dem.json b/dem.json
index f84adf6..421a610 100644
--- a/dem.json
+++ b/dem.json
@@ -1,10 +1,9 @@
 {
-  "version": "0.1.1",
   "modules": [
     {
       "protocol": "https",
       "path": "deno.land/std",
-      "version": "v0.51.0",
+      "version": "v0.61.0",
       "files": [
         "/encoding/utf8.ts",
         "/flags/mod.ts",
@@ -12,5 +11,6 @@
         "/testing/asserts.ts"
       ]
     }
-  ]
+  ],
+  "aliases": {}
 }
\ No newline at end of file
diff --git a/vendor/https/deno.land/std/encoding/utf8.ts b/vendor/https/deno.land/std/encoding/utf8.ts
index 5fa8e9a..494c172 100644
--- a/vendor/https/deno.land/std/encoding/utf8.ts
+++ b/vendor/https/deno.land/std/encoding/utf8.ts
@@ -1 +1 @@
-export * from 'https://deno.land/std@v0.51.0/encoding/utf8.ts';
+export * from "https://deno.land/std@v0.61.0/encoding/utf8.ts";
diff --git a/vendor/https/deno.land/std/flags/mod.ts b/vendor/https/deno.land/std/flags/mod.ts
index c05326e..2d1bb1e 100644
--- a/vendor/https/deno.land/std/flags/mod.ts
+++ b/vendor/https/deno.land/std/flags/mod.ts
@@ -1 +1 @@
-export * from 'https://deno.land/std@v0.51.0/flags/mod.ts';
+export * from "https://deno.land/std@v0.61.0/flags/mod.ts";
diff --git a/vendor/https/deno.land/std/http/server.ts b/vendor/https/deno.land/std/http/server.ts
index bbd8edb..a6f5ebc 100644
--- a/vendor/https/deno.land/std/http/server.ts
+++ b/vendor/https/deno.land/std/http/server.ts
@@ -1 +1 @@
-export * from 'https://deno.land/std@v0.51.0/http/server.ts';
+export * from "https://deno.land/std@v0.61.0/http/server.ts";
diff --git a/vendor/https/deno.land/std/testing/asserts.ts b/vendor/https/deno.land/std/testing/asserts.ts
index d452700..dc76bd5 100644
--- a/vendor/https/deno.land/std/testing/asserts.ts
+++ b/vendor/https/deno.land/std/testing/asserts.ts
@@ -1 +1 @@
-export * from 'https://deno.land/std@v0.51.0/testing/asserts.ts';
+export * from "https://deno.land/std@v0.61.0/testing/asserts.ts";