diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4a8a1d1..1368e15 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -148,7 +148,7 @@ jobs:
     - name: Reuse GTR coverage profile
       run: cp .github/test-results/coverage.out coverage.out
     - name: Display coverage summary
-      run: go tool cover -func=coverage.out
+      run: GOTOOLCHAIN=auto go tool cover -func=coverage.out
 
     permissions:
       contents: read
diff --git a/go.mod b/go.mod
index e0443ce..35b7e3d 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/soulteary/tracing-kit/v2
 
-go 1.27.2
+go 1.27.3
 
 require (
 	go.opentelemetry.io/otel v1.47.0