diff --git a/README.md b/README.md
index 838d75e..7d5fe76 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ Then create a `servers.json` file like this here:
 Now you are ready to start the script. Make sure to have an environment variable
 called `TINYSCALE_SECRET`:
 
-    TINYSCALE_SECRET=some_secret_string deno run --allow-net --allow-read --allow-env https://deno.land/x/tinyscale@v1.6.4/mod.ts
+    TINYSCALE_SECRET=some_secret_string deno run --allow-net --allow-read --allow-env https://deno.land/x/tinyscale@v1.7.0/mod.ts
 
 tinyscale will then run on port 3005 and you will have to set up your reverse
 proxy so that it can pick up requests. If you prefer a different port you can
diff --git a/app.ts b/app.ts
index 29f4a06..36bcc56 100644
--- a/app.ts
+++ b/app.ts
@@ -1,6 +1,7 @@
-import { opine, ErrorRequestHandler, Router, secret, createError, Color, deferred, Deferred } from "./deps.ts";
+import { opine, ErrorRequestHandler, Router, secret, HttpError, Color, deferred, Deferred } from "./deps.ts";
 import { BBB } from './bbb.ts';
-import { Servers, server } from './servers.ts'
+import { Servers } from './servers.ts'
+import type { server } from './deps.ts'
 
 const date = () => new Date().toLocaleTimeString('de')
 
@@ -22,7 +23,7 @@ router.use("/:call", (req, res, next) => {
     res.locals.handler = handler
     next()
   } else {
-    next(createError(401))
+    next(new HttpError(401));
   }
 })
 // if the param is call, check for races
@@ -62,7 +63,7 @@ router.all("/:call", async (req, res, next) => {
       res.send(body)
     } catch (e) {
       if (handler.call === 'create') { queue[handler.meeting_id]?.resolve(e); delete queue[handler.meeting_id] }
-      next(createError(500))
+      next(new HttpError(500));
     }
   }
   console.log(res.locals.log.join(' '));
@@ -80,7 +81,7 @@ const errorHandler: ErrorRequestHandler = (err, req, res, next) => {
 
 const app = opine()
   .use("/bigbluebutton/api", router)
-  .use((req, res, next) => next(createError(404)))
+  .use((req, res, next) => next(new HttpError(404)))
   .use(errorHandler);
 
 export default app;
\ No newline at end of file
diff --git a/bbb.ts b/bbb.ts
index 3c10efa..673c0a5 100644
--- a/bbb.ts
+++ b/bbb.ts
@@ -1,6 +1,6 @@
 import { Request, ParamsDictionary, createHash } from "./deps.ts";
+import type { server } from './deps.ts'
 
-export interface server { host: string; secret: string };
 export class BBB {
   call: string
   checksum_incoming: string
diff --git a/deps.ts b/deps.ts
index 873c617..4380831 100644
--- a/deps.ts
+++ b/deps.ts
@@ -3,7 +3,8 @@ export type { Deferred } from "https://deno.land/std/async/mod.ts";
 export { join } from "https://deno.land/std/path/mod.ts";
 export { createHash } from "https://deno.land/std/hash/mod.ts";
 export * as Color from "https://deno.land/std/fmt/colors.ts";
-export { createError } from "https://deno.land/x/http_errors@3.0.0/mod.ts";
-export { opine, Router } from "https://deno.land/x/opine@1.7.2/mod.ts";
-export type { ErrorRequestHandler, Request, ParamsDictionary } from "https://deno.land/x/opine@1.7.2/mod.ts";
-export const secret: string = Deno.env.get("TINYSCALE_SECRET") || ""
\ No newline at end of file
+export { HttpError } from "https://deno.land/x/http_error@0.1.2/mod.ts";
+export { opine, Router } from "https://deno.land/x/opine@1.9.1/mod.ts";
+export type { ErrorRequestHandler, Request, ParamsDictionary } from "https://deno.land/x/opine@1.9.1/mod.ts";
+export const secret: string = Deno.env.get("TINYSCALE_SECRET") || ""
+export interface server { host: string; secret: string };
\ No newline at end of file
diff --git a/servers.ts b/servers.ts
index 5a7c966..0669f1d 100644
--- a/servers.ts
+++ b/servers.ts
@@ -1,6 +1,5 @@
 import { createHash, Color } from "./deps.ts";
-export interface server { host: string; secret: string };
-
+import type { server } from './deps.ts'
 export class Servers {
   servers: server[]
   iterator!: IterableIterator<server>
@@ -36,7 +35,7 @@ export class Servers {
         if (!ok) throw "Configuration error. Exiting …"
       } catch (e) {
         // exit tinyscale if an error is encountered in servers.json
-        console.log(Color.brightRed(e))
+        console.log(Color.brightRed(JSON.stringify(e)))
         Deno.exit(1);
       }
     })