diff --git a/opentelemetry/instrumentation/app/go.mod b/opentelemetry/instrumentation/app/go.mod
index 882ae1403b..90282e6043 100644
--- a/opentelemetry/instrumentation/app/go.mod
+++ b/opentelemetry/instrumentation/app/go.mod
@@ -1,6 +1,6 @@
 module github.com/GoogleCloudPlatform/golang-samples/opentelemetry/instrumentation/app
 
-go 1.21.0
+go 1.21
 
 require (
 	github.com/GoogleCloudPlatform/golang-samples v0.0.0-20240724083556-7f760db013b7