diff --git a/Dockerfile b/Dockerfile
index fc156789..d933ab18 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.11-labs
+# syntax=docker/dockerfile:1.12-labs
 
 # Following Microsoft's pattern shown here:
 # https://github.com/dotnet/dotnet-docker/blob/main/samples/dotnetapp/Dockerfile.alpine