diff --git a/kubetest2-gke/deployer/build/gke_make.go b/kubetest2-gke/deployer/build/gke_make.go
index 293cbb97..9ca9e351 100644
--- a/kubetest2-gke/deployer/build/gke_make.go
+++ b/kubetest2-gke/deployer/build/gke_make.go
@@ -44,7 +44,7 @@ const (
 )
 
 var (
-	gkeMinorVersionRegex = regexp.MustCompile("^v(\\d\\.\\d+).*$")
+	gkeMinorVersionRegex = regexp.MustCompile(`^v(\\d\\.\\d+).*$`)
 )
 
 type GKEMake struct {