diff --git a/.travis.yml b/.travis.yml
index e1c52907..57c04502 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: go
 go:
-  - 1.13.x
+  - 1.15.x
 
 sudo: required
 
diff --git a/specs-go/go.mod b/specs-go/go.mod
new file mode 100644
index 00000000..5f2ed1d8
--- /dev/null
+++ b/specs-go/go.mod
@@ -0,0 +1,3 @@
+module github.com/opencontainers/distribution-spec/specs-go
+
+go 1.15