diff --git a/Dockerfile b/Dockerfile
index f021f4c..9edd600 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.25.5-bookworm
+FROM golang:1.26rc2-bookworm
 
 # hadolint ignore=DL3027
 RUN apt-get update \