diff --git a/.gitignore b/.gitignore
index 17098a97..b3757bf8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,4 @@ armcode.map
 *.bin
 *.macro
 go.work
+go.work.sum
diff --git a/go.mod b/go.mod
index 11ecb30e..e8883220 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/jetsetilly/gopher2600
 
-go 1.21
+go 1.22
 
 require (
 	github.com/go-audio/audio v1.0.0