diff --git a/.drone.yml b/.drone.yml
index 5128c06..68543ab 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,7 +6,7 @@ steps:
 - name: generate
   image: golang:1.19-alpine
   commands:
-  - apk add --no-cache libidn sipcalc gawk git bash python3
+  - apk add --no-cache libidn sipcalc gawk git patch bash python3
   - bash generate.sh
 - name: release
   image: plugins/gitea-release