diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..6664c48
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,6 @@
+module github.com/xanzy/ssh-agent
+
+require (
+	golang.org/x/crypto v0.0.0-20190219172222-a4c6cb3142f2
+	golang.org/x/sys v0.0.0-20190221075227-b4e8571b14e0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..a9a0016
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+golang.org/x/crypto v0.0.0-20190219172222-a4c6cb3142f2 h1:NwxKRvbkH5MsNkvOtPZi3/3kmI8CAzs3mtv+GLQMkNo=
+golang.org/x/crypto v0.0.0-20190219172222-a4c6cb3142f2/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/sys v0.0.0-20190221075227-b4e8571b14e0 h1:bzeyCHgoAyjZjAhvTpks+qM7sdlh4cCSitmXeCEO3B4=
+golang.org/x/sys v0.0.0-20190221075227-b4e8571b14e0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=