diff --git a/exec/go.mod b/exec/go.mod
index 86fdbf2..1b173de 100644
--- a/exec/go.mod
+++ b/exec/go.mod
@@ -4,6 +4,6 @@ go 1.24.0
 
 toolchain go1.25.0
 
-require github.com/mattn/go-isatty v0.0.20
+require github.com/mattn/go-isatty v0.0.21
 
 require golang.org/x/sys v0.41.0 // indirect
diff --git a/exec/go.sum b/exec/go.sum
index 1c63622..c5481e4 100644
--- a/exec/go.sum
+++ b/exec/go.sum
@@ -1,5 +1,4 @@
-github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
-github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+github.com/mattn/go-isatty v0.0.21 h1:xYae+lCNBP7QuW4PUnNG61ffM4hVIfm+zUzDuSzYLGs=
+github.com/mattn/go-isatty v0.0.21/go.mod h1:ZXfXG4SQHsB/w3ZeOYbR0PrPwLy+n6xiMrJlRFqopa4=
 golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
 golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=