diff --git a/Containerfile b/Containerfile
index 6939318..ab541c1 100644
--- a/Containerfile
+++ b/Containerfile
@@ -17,7 +17,7 @@ RUN bun run build
 # -----------------------------------------------------------------------------
 # Stage 2: build the Go binary with the SPA embedded
 # -----------------------------------------------------------------------------
-FROM golang:1.26 AS builder
+FROM golang:1.27 AS builder
 WORKDIR /build
 COPY backend/go.mod backend/go.sum ./
 RUN go mod download
diff --git a/Containerfile.migrate b/Containerfile.migrate
index af6ba8b..ddfc744 100644
--- a/Containerfile.migrate
+++ b/Containerfile.migrate
@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 # Build context is the repository root.
 
-FROM golang:1.26 AS builder
+FROM golang:1.27 AS builder
 WORKDIR /build
 COPY backend/go.mod backend/go.sum ./
 RUN go mod download