diff --git a/go.mod b/go.mod
index c2ac09c..8245b16 100644
--- a/go.mod
+++ b/go.mod
@@ -7,4 +7,4 @@ require (
 	git.urbach.dev/go/color v0.0.0-20250225153715-1b0b4cb28f7d
 )
 
-require golang.org/x/sys v0.30.0 // indirect
+require golang.org/x/sys v0.31.0 // indirect
diff --git a/go.sum b/go.sum
index 51f26c6..38c7851 100644
--- a/go.sum
+++ b/go.sum
@@ -2,5 +2,5 @@ git.urbach.dev/go/assert v0.0.0-20250225153414-fc1f84f19edf h1:BQWa5GKNUsA5CSUa/
 git.urbach.dev/go/assert v0.0.0-20250225153414-fc1f84f19edf/go.mod h1:y9jGII9JFiF1HNIju0u87OyPCt82xKCtqnAFyEreCDo=
 git.urbach.dev/go/color v0.0.0-20250225153715-1b0b4cb28f7d h1:j1ARCrjUYE/c1STH/s6UYGQoOXAkxXll4AFhTb8P2GE=
 git.urbach.dev/go/color v0.0.0-20250225153715-1b0b4cb28f7d/go.mod h1:UE8tQTrlWeVPKhfPZ9G5QrDFRhL9EoPazcDgfgd5Xsk=
-golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
-golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
+golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=