diff --git a/Dockerfile b/Dockerfile
index c156417..84ce995 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,7 +17,7 @@
 # limitations under the License.
 
 # Builder stage for compiling go source code
-FROM golang:1.21 as builder
+FROM golang:1.21 AS builder
 
 WORKDIR /workspace