diff --git a/unstable/build/cgo-mingw-w64-x86/Dockerfile b/unstable/build/cgo-mingw-w64-x86/Dockerfile
index 738c4267..2002d6b9 100644
--- a/unstable/build/cgo-mingw-w64-x86/Dockerfile
+++ b/unstable/build/cgo-mingw-w64-x86/Dockerfile
@@ -7,7 +7,7 @@
 
 # https://hub.docker.com/r/i386/golang
 
-FROM i386/golang:1.24rc1-bullseye
+FROM i386/golang:1.24rc2-bullseye
 
 # https://docs.github.com/en/packages/learn-github-packages/connecting-a-repository-to-a-package
 LABEL org.opencontainers.image.source="https://github.com/atc0005/go-ci"