diff --git a/.changes/unreleased/Improvements-647.yaml b/.changes/unreleased/Improvements-647.yaml
new file mode 100644
index 00000000..8b8d32cf
--- /dev/null
+++ b/.changes/unreleased/Improvements-647.yaml
@@ -0,0 +1,6 @@
+component: runtime
+kind: Improvements
+body: update go version for github workflows
+time: 2024-09-25T14:50:03.581885966+09:00
+custom:
+  PR: "647"
diff --git a/.github/workflows/stage-lint.yml b/.github/workflows/stage-lint.yml
index 136282c4..61e94b3a 100644
--- a/.github/workflows/stage-lint.yml
+++ b/.github/workflows/stage-lint.yml
@@ -8,7 +8,7 @@ permissions: read-all
 env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   GOLANGCI_LINT_VERSION: v1.55
-  GO_VERSION: v1.21.x
+  GO_VERSION: v1.23.x
 
 jobs:
   lint:
@@ -22,7 +22,7 @@ jobs:
           go-version: ${{ env.GO_VERSION }}
           cache-dependency-path: |
             **/go.sum
-      - run: go mod tidy -go=1.21
+      - run: go mod tidy -go=1.23
       - name: Fail if go mod tidy changed go.mod
         run: |
           if [ -n "$(git status --porcelain)" ]; then
@@ -50,6 +50,6 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.21.x
+          go-version: 1.23.x
       - name: Lint
         run: make lint-copyright
diff --git a/.github/workflows/stage-test.yml b/.github/workflows/stage-test.yml
index 80360fbd..ad7740f0 100644
--- a/.github/workflows/stage-test.yml
+++ b/.github/workflows/stage-test.yml
@@ -146,4 +146,4 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go-version: [1.21.x]
+        go-version: [1.23.x]