diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..8bf345e
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module b612.me/win32api
+
+go 1.16
+
+require golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..025b9a4
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5 h1:y/woIyUBFbpQGKS0u1aHF/40WUDnek3fPOyD08H5Vng=
+golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=