diff --git a/go.mod b/go.mod
index e5ac114..0ce835d 100644
--- a/go.mod
+++ b/go.mod
@@ -1,7 +1,7 @@
 module github.com/shoenig/go-m1cpu
 
-go 1.20
+go 1.21
 
-require github.com/shoenig/test v1.7.0
+require github.com/shoenig/test v1.12.2
 
-require github.com/google/go-cmp v0.6.0 // indirect
+require github.com/google/go-cmp v0.7.0 // indirect
diff --git a/go.sum b/go.sum
index a223e19..a468683 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/shoenig/test v1.7.0 h1:eWcHtTXa6QLnBvm0jgEabMRN/uJ4DMV3M8xUGgRkZmk=
-github.com/shoenig/test v1.7.0/go.mod h1:UxJ6u/x2v/TNs/LoLxBNJRV9DiwBBKYxXSyczsBHFoI=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/shoenig/test v1.12.2 h1:ZVT8NeIUwGWpZcKaepPmFMoNQ3sVpxvqUh/MAqwFiJI=
+github.com/shoenig/test v1.12.2/go.mod h1:UxJ6u/x2v/TNs/LoLxBNJRV9DiwBBKYxXSyczsBHFoI=