diff --git a/.travis.yml b/.travis.yml
index 8f97e44..5ea3944 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,7 @@
 language: go
 
 go:
-  - 1.6.x
-  - 1.7.x
-  - 1.8.x
+  - 1.13.x
   - master
 
 before_install:
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..7bf5942
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module github.com/DestinyLab/go-poetryengine
+
+go 1.13