diff --git a/Dockerfile b/Dockerfile
index 9cc349e..4aab26b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ from golang:1.24-alpine as builder
 env KNOT_REPO_SCAN_PATH=/home/git/repositories
 env CGO_ENABLED=1

-arg TAG='v1.8.0-alpha'
+arg TAG='v1.9.0-alpha'

 workdir /app
 run apk add git gcc musl-dev