diff --git a/go.mod b/go.mod
index 3dda8e330..8858601bb 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module google.golang.org/protobuf
 
-go 1.9
+go 1.11
 
 require (
 	github.com/golang/protobuf v1.5.0
diff --git a/integration_test.go b/integration_test.go
index 078a1ffa8..8a4f7af7d 100644
--- a/integration_test.go
+++ b/integration_test.go
@@ -38,7 +38,7 @@ var (
 	protobufVersion = "3.15.3"
 	protobufSHA256  = "" // ignored if protobufVersion is a git hash
 
-	golangVersions = []string{"1.9.7", "1.10.8", "1.11.13", "1.12.17", "1.13.15", "1.14.15", "1.15.9", "1.16.1"}
+	golangVersions = []string{"1.11.13", "1.12.17", "1.13.15", "1.14.15", "1.15.15", "1.16.10", "1.17.3"}
 	golangLatest   = golangVersions[len(golangVersions)-1]
 
 	staticcheckVersion = "2020.1.4"