diff --git a/integration_test.go b/integration_test.go
index d24d70f..980d5de 100644
--- a/integration_test.go
+++ b/integration_test.go
@@ -36,7 +36,7 @@
 	protobufVersion = "ef7cc811" // v3.12.0-rc1
 	protobufSHA256  = ""         // ignored if protobufVersion is a git hash
 
-	golangVersions = []string{"1.9.7", "1.10.8", "1.11.13", "1.12.17", "1.13.12", "1.14.4"}
+	golangVersions = []string{"1.9.7", "1.10.8", "1.11.13", "1.12.17", "1.13.15", "1.14.7", "1.15"}
 	golangLatest   = golangVersions[len(golangVersions)-1]
 
 	staticcheckVersion = "2020.1.4"