diff --git a/go.mod b/go.mod
index 8c93734..a54145f 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/shoenig/loggy
 
-go 1.17
+go 1.21
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..e69de29