diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 66a46ea3..f3c274dc 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -47,7 +47,7 @@ jobs:
     name: Test
     strategy:
       matrix:
-        go-version: [ 1.20.x, 1.21.x ]
+        go-version: [ 1.21.x ]
         platform: [ ubuntu-latest, macos-latest ]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -66,7 +66,7 @@ jobs:
     name: TestOnWindows
     strategy:
       matrix:
-        go-version: [ 1.20.x, 1.21.x ]
+        go-version: [ 1.21.x ]
         platform: [ windows-latest ]
     runs-on: ${{ matrix.platform }}
     steps:
diff --git a/go.mod b/go.mod
index 623354d2..457b7347 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/rocboss/paopao-ce
 
-go 1.20
+go 1.21
 
 require (
 	github.com/Masterminds/semver/v3 v3.2.1