diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 42aba2cfc3..1f37c668c9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
     - name: Set up go
       uses: actions/setup-go@v3
       with:
-        go-version: 1.21.9
+        go-version: 1.20.14
 
     - name: Build
       run: go build ./...
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 89223027d2..342a881bd5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Set up go
       uses: actions/setup-go@v3
       with:
-        go-version: 1.21.9
+        go-version: 1.20.14
 
     - name: Build
       run: bash hack/github-release.sh
diff --git a/go.mod b/go.mod
index e08e13f1dc..2491b41754 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/ucloud/ucloud-cli
 
-go 1.21
+go 1.20
 
 require (
 	github.com/fatih/color v1.13.0