diff --git a/docker-compose.yml b/docker-compose.yml
index be8d2f0..3f2bdcf 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ services:
   # Isolated Docker daemon for the runner's job containers.
   # Keeps the host Docker clean and gives reliable cache networking.
   dind:
-    image: docker:27-dind
+    image: docker:29-dind
     container_name: gitea-runner-dind
     privileged: true
     restart: unless-stopped