diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 545ce015..a998d8be 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,6 +1,6 @@
 {
   "name": "Dependabot CLI",
-  "image": "mcr.microsoft.com/devcontainers/go:1.26",
+  "image": "mcr.microsoft.com/devcontainers/go:1.27",
   "features": {
     "ghcr.io/devcontainers/features/docker-in-docker": {
       "moby": false
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 496da5c1..633e3c0f 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -22,7 +22,7 @@ Please do:
 
 Prerequisites:
 
-* Go 1.19+
+* Go 1.27+
 * Docker
 
 Run with:
diff --git a/Dockerfile b/Dockerfile
index 935fb717..ce0e8cd3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.26-alpine AS build
+FROM --platform=$BUILDPLATFORM golang:1.27-alpine AS build
 WORKDIR /src
 COPY go.mod go.sum ./
 RUN go mod download
diff --git a/go.mod b/go.mod
index f3b925ec..e010b6d2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/dependabot/cli
 
-go 1.26.0
+go 1.27.0
 
 require (
 	github.com/MakeNowJust/heredoc v1.0.0