diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ba329a9c..babe9aa7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -49,7 +49,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v7
         with:
-          go-version: "1.26.x"
+          go-version: "1.26.6"
 
       - name: generate swagger docs
         run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c9cd8d4c..e3bf0d6a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -31,7 +31,7 @@ jobs:
           persist-credentials: false
       - uses: actions/setup-go@v7
         with:
-          go-version: "1.26.x"
+          go-version: "1.26.6"
           cache: false
 
       - name: Generate Swagger docs
@@ -57,7 +57,7 @@ jobs:
           persist-credentials: false
       - uses: actions/setup-go@v7
         with:
-          go-version: "1.26.x"
+          go-version: "1.26.6"
           cache: false
 
       - name: Generate Swagger docs
@@ -107,7 +107,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v7
         with:
-          go-version: "1.26.x"
+          go-version: "1.26.6"
           cache: false
       - name: Prepare Dashboard build inputs
         working-directory: nezha
diff --git a/integration/agentcompat/internal/workflowpolicy/quality_workflow_test.go b/integration/agentcompat/internal/workflowpolicy/quality_workflow_test.go
index 8192e58a..c85cc043 100644
--- a/integration/agentcompat/internal/workflowpolicy/quality_workflow_test.go
+++ b/integration/agentcompat/internal/workflowpolicy/quality_workflow_test.go
@@ -169,7 +169,7 @@ func requireCheckoutAndSetupGo(t *testing.T, steps []qualityStep) {
 	require.False(t, *checkout.With.PersistCredentials)
 	setupGo := steps[1]
 	require.Equal(t, "actions/setup-go@v7", setupGo.Uses)
-	require.Equal(t, "1.26.x", setupGo.With.GoVersion)
+	require.Equal(t, "1.26.6", setupGo.With.GoVersion)
 	require.NotNil(t, setupGo.With.Cache)
 	require.False(t, *setupGo.With.Cache)
 }
diff --git a/integration/agentcompat/internal/workflowpolicy/stress_workflow_test.go b/integration/agentcompat/internal/workflowpolicy/stress_workflow_test.go
index 6d28c0d9..f06744c0 100644
--- a/integration/agentcompat/internal/workflowpolicy/stress_workflow_test.go
+++ b/integration/agentcompat/internal/workflowpolicy/stress_workflow_test.go
@@ -57,7 +57,7 @@ func TestPolicy_NezhaStressWorkflowRunsCrossRepositoryTest(t *testing.T) {
 
 	setupGo := stressJob.stepNamed(t, "Set up Go")
 	require.Equal(t, "actions/setup-go@v7", setupGo.Uses)
-	require.Equal(t, "1.26.x", setupGo.With.GoVersion)
+	require.Equal(t, "1.26.6", setupGo.With.GoVersion)
 	require.False(t, *setupGo.With.Cache)
 
 	prepareDashboardInputs := stressJob.stepNamed(t, "Prepare Dashboard build inputs")