diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..a392f7d
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tWFlaaUAac=
+github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=