diff --git a/Dockerfile b/Dockerfile
index ffec86d..6190373 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -34,7 +34,7 @@ RUN install-containerbase
 RUN install-tool git v2.46.0
 
 # renovate: datasource=docker versioning=docker
-RUN install-tool rust 1.79.0
+RUN install-tool rust 1.81.0
 
 ENTRYPOINT [ "dumb-init", "--", "builder.sh" ]