diff --git a/.github/docker/Dockerfile.golang b/.github/docker/Dockerfile.golang
index 7d85499b..c70f9ec2 100644
--- a/.github/docker/Dockerfile.golang
+++ b/.github/docker/Dockerfile.golang
@@ -1,3 +1,3 @@
-FROM golang:1.25.6-bookworm
+FROM golang:1.26rc2-bookworm
 
 CMD echo this is a dummy file used to automate dependency upgrades for plugins