diff --git a/images/private/Dockerfile b/images/private/Dockerfile
index 0eb9896..b551f3e 100644
--- a/images/private/Dockerfile
+++ b/images/private/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.22-alpine-3.19 AS go-builder
+FROM golang:1.22-alpine3.19 AS go-builder
 #ARG arch=x86_64
 
 # See https://github.com/CosmWasm/wasmvm/releases