diff --git a/font.go b/font.go
index ede5b99..c7b4612 100644
--- a/font.go
+++ b/font.go
@@ -41,8 +41,5 @@ func (ui *UI) loadDefaultFont() {
 // AddTTFFont loads the given font into imgui.
 func (ui *UI) AddTTFFont(path string, size float32) {
 	ui.fonts.AddFontFromFileTTF(path, size)
-	if err := ui.fonts.BuildWithFreeType(); err != nil {
-		log.Fatalln(err)
-	}
 	ui.loadFont()
 }
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..f9963eb
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,10 @@
+module github.com/dusk125/pixelui
+
+go 1.16
+
+require (
+	github.com/dusk125/pixelutils v1.0.0
+	github.com/faiface/mainthread v0.0.0-20171120011319-8b78f0a41ae3
+	github.com/faiface/pixel v0.11.0-beta
+	github.com/inkyblackness/imgui-go v1.12.0
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..d3970cf
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,36 @@
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+github.com/faiface/pixel v0.10.0/go.mod h1:lU0YYcW77vL0F1CG8oX51GXurymL45MXd57otHNLK7A=
+github.com/faiface/pixel v0.11.0-beta h1:fnqbwutoJWgnfGsuGAXeVgSOVz2kOhknbFOIN/nEoOo=
+github.com/faiface/pixel v0.11.0-beta/go.mod h1:hVfcuxlgBHDYw32viMEU0RnOAOzrLTBhNjyw5DhUqAk=
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