diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 365aef2..92fa3b4 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -20,7 +20,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v7
         with:
-          go-version: '1.26.6'
+          go-version: '1.27.1'
 
       - uses: golangci/golangci-lint-action@ba0d7d2ec06a0ea1cb5fa41b2e4a3ab91d21278a # v9.3.0
 
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 1ab420d..6a176fa 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -20,7 +20,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v7
         with:
-          go-version: '1.26.6'
+          go-version: '1.27.1'
 
       - name: Login to Docker Hub
         uses: docker/login-action@v4
diff --git a/go.mod b/go.mod
index 30a46a2..d41b666 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/little-forest/echo-api
 
 go 1.25.0
 
-toolchain go1.26.6
+toolchain go1.27.1
 
 require github.com/labstack/echo/v5 v5.2.1