diff --git a/.github/workflows/agent.yml b/.github/workflows/agent.yml
index 348feaf..3d97454 100644
--- a/.github/workflows/agent.yml
+++ b/.github/workflows/agent.yml
@@ -19,7 +19,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-go@v4
         with:
-          go-version: "^1.20.0"
+          go-version: "1.20.13"
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
         with:
diff --git a/.github/workflows/test-on-pr.yml b/.github/workflows/test-on-pr.yml
index 1858013..a17ce5b 100644
--- a/.github/workflows/test-on-pr.yml
+++ b/.github/workflows/test-on-pr.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v4
         with:
-          go-version: "^1.20.0"
+          go-version: "1.20.13"
       - name: Unit test
         run: |
           go test -v ./...
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 594492e..14674c8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v4
         with:
-          go-version: "^1.20.0"
+          go-version: "1.20.13"
       - name: Unit test
         run: |
           go test -v ./...