diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..108ba7a
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,31 @@
+---
+kind: pipeline
+type: docker
+name: linux-amd64
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+  - name: publish
+    image: node:16-bullseye
+    environment:
+      GITEA_USERNAME:
+        from_secret: gitea_username
+      GITEA_PASSWORD:
+        from_secret: gitea_password
+    commands:
+      - apt update && apt install -y zip curl
+      - yarn && yarn build
+      - cd dist && zip -r extension.zip * && mv extension.zip ../ && cd ..
+      - "curl --user $GITEA_USERNAME:$GITEA_PASSWORD --upload-file extension.zip https://gitea.dwysokinski.me/api/packages/twhelp/generic/sessions-ext/${DRONE_TAG##v}/extension.zip"
+
+trigger:
+  event:
+    - tag
+---
+kind: signature
+hmac: 798279fd9edd0517b4f1554526b1a17019e23bc639382230d6afdb449495db03
+
+...
diff --git a/src/message.ts b/src/message.ts
index 69c2b0a..cb143b7 100644
--- a/src/message.ts
+++ b/src/message.ts
@@ -12,5 +12,5 @@ export type LoginMessage = {
 export type Message = LoginMessage;
 
 export type ErrorResponse = {
-  error?: string;
+  error: string;
 };