diff --git a/docker/sia/Dockerfile b/docker/sia/Dockerfile
index f52d89eb..887b92e9 100644
--- a/docker/sia/Dockerfile
+++ b/docker/sia/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang AS sia-builder
+FROM golang:1.16.7 AS sia-builder
 
 ENV GOOS linux
 ENV GOARCH amd64