diff --git a/Containers/imaginary/Dockerfile b/Containers/imaginary/Dockerfile
index 11250a43..f07012f6 100644
--- a/Containers/imaginary/Dockerfile
+++ b/Containers/imaginary/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:latest
-FROM golang:1.25.5-alpine3.23 AS go
+FROM golang:1.26rc2-alpine3.23 AS go
 
 ENV IMAGINARY_HASH=6a274b488759a896aff02f52afee6e50b5e3a3ee