diff --git a/Dockerfile b/Dockerfile
index 3c16121d..3dfe7f70 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.7-labs
+# syntax=docker/dockerfile:1.8-labs
 
 # Following Microsoft's pattern shown here:
 # https://github.com/dotnet/dotnet-docker/blob/main/samples/dotnetapp/Dockerfile.alpine