diff --git a/Dockerfile b/Dockerfile
index 92bcbc73..1113b1f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,14 +7,14 @@
 ARG BUILD_TAGS=""
 
 # Step 1: Modules caching
-FROM golang:1.25.5-alpine@sha256:ac09a5f469f307e5da71e766b0bd59c9c49ea460a528cc3e6686513d64a6f1fb AS modules
+FROM golang:1.26rc2-alpine@sha256:ebf4414ac1ebce5d728a1b9446037ba9aee1b46228bbc8972fb57819a91e164e AS modules
 COPY go.mod go.sum /modules/
 WORKDIR /modules
 RUN apk add --no-cache git
 RUN go mod download
 
 # Step 2: Builder
-FROM golang:1.25.5-alpine@sha256:ac09a5f469f307e5da71e766b0bd59c9c49ea460a528cc3e6686513d64a6f1fb AS builder
+FROM golang:1.26rc2-alpine@sha256:ebf4414ac1ebce5d728a1b9446037ba9aee1b46228bbc8972fb57819a91e164e AS builder
 # Build tags control dependencies:
 # - Default (no tags): Full build with UI
 # - noui: Excludes web UI assets