diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..93a9e92
--- /dev/null
+++ b/go.mod
@@ -0,0 +1 @@
+module github.com/gorilla/websocket
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..cf4fbba
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
+github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=