diff --git a/linux/Dockerfile b/linux/Dockerfile
index 6252be7f..5706023e 100644
--- a/linux/Dockerfile
+++ b/linux/Dockerfile
@@ -49,7 +49,7 @@ RUN install-tool flux v2.8.3
 RUN install-tool kubectl v1.35.3
 
 # renovate: datasource=github-releases packageName=docker/buildx
-RUN install-tool buildx v0.32.1
+RUN install-tool buildx v0.33.0
 
 # renovate: datasource=github-releases packageName=kubernetes-sigs/kustomize
 RUN install-tool kustomize 5.8.1