diff --git a/Dockerfile.multiarch b/Dockerfile.multiarch
index 6acba7c..758ba23 100644
--- a/Dockerfile.multiarch
+++ b/Dockerfile.multiarch
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.19 as build
+FROM --platform=$BUILDPLATFORM golang:1.19@sha256:06fc512f4d8d2e7873132386f535e998b656404a9eba8a9a3084d9916d2c6e73 as build
 
 ARG TARGETOS
 ARG TARGETARCH