diff --git a/.travis.yml b/.travis.yml
index b09ce67..04b12f3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,8 @@
 language: go
 go:
   - 1.9.x
-  - 1.x
+  - 1.12.x
+  - 1.13.x
 before_install:
   - go get github.com/mattn/goveralls
 script:
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..a68db74
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module github.com/objenious/senml
+
+go 1.13