diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..aa37a28
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module git.openprivacy.ca/sarah/microworlds
+
+require github.com/veandco/go-sdl2 v0.3.0
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..ba294e4
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/veandco/go-sdl2 v0.3.0 h1:IWYkHMp8V3v37NsKjszln8FFnX2+ab0538J371t+rss=
+github.com/veandco/go-sdl2 v0.3.0/go.mod h1:FB+kTpX9YTE+urhYiClnRzpOXbiWgaU3+5F2AB78DPg=