diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1b9171a..b683905 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,7 +52,7 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
       - uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
         with:
-          go-version: '1.26.x'
+          go-version: '1.27.x'
           cache: true
       - run: go test ./...
 
@@ -67,7 +67,7 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
       - uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
         with:
-          go-version: '1.26.x'
+          go-version: '1.27.x'
           cache: true
       - name: Formatting and module graph
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2c1f3b8..df7982a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -44,7 +44,7 @@ jobs:
       - uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
         if: inputs.rebuild_tag == ''
         with:
-          go-version: '1.26.x'
+          go-version: '1.27.x'
           cache: true
       - name: Prepare protected-branch release
         if: >-
@@ -105,7 +105,7 @@ jobs:
           ref: ${{ needs.release.outputs.tag }}
       - uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
         with:
-          go-version: '1.26.x'
+          go-version: '1.27.x'
           cache: true
       - name: Verify release revision
         run: |