diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 82624eb..c2552fc 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.x
+          go-version: 1.21.x
 
       - name: Check out code
         uses: actions/checkout@v3
diff --git a/.github/workflows/lint-test.yml b/.github/workflows/lint-test.yml
index 4ad69b3..bc92b89 100644
--- a/.github/workflows/lint-test.yml
+++ b/.github/workflows/lint-test.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.x
+          go-version: 1.21.x
       - name: Checkout code
         uses: actions/checkout@v3
       - name: Run golangci-lint
diff --git a/.github/workflows/release-binary.yml b/.github/workflows/release-binary.yml
index 95bec1d..37096e6 100644
--- a/.github/workflows/release-binary.yml
+++ b/.github/workflows/release-binary.yml
@@ -18,7 +18,7 @@ jobs:
       - name: "Set up Go"
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.x
+          go-version: 1.21.x
 
       - name: "Create release on GitHub"
         uses: goreleaser/goreleaser-action@v4
diff --git a/.github/workflows/release-test.yml b/.github/workflows/release-test.yml
index 77e09fb..3cc2909 100644
--- a/.github/workflows/release-test.yml
+++ b/.github/workflows/release-test.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.x
+          go-version: 1.21.x
       
       - name: release test
         uses: goreleaser/goreleaser-action@v4