Update Go Version (#104)

* Update Go Version

* Add quotes
diff --git a/.travis.yml b/.travis.yml
index 4ef02ed..1f19e31 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,7 +22,7 @@
         - os: linux
           sudo: required
           group: deprecated-2017Q3
-          go: 1.8
+          go: "1.9.3"
           services: docker
 
 git:
diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json
index 7ce5a87..75d020f 100644
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@@ -1,5 +1,5 @@
 {
 	"ImportPath": "github.com/apache/incubator-openwhisk-client-go",
-	"GoVersion": "go1.8",
+	"GoVersion": "go1.9.3",
 	"Deps": []
 }