diff --git a/go.mod b/go.mod
index 52e7da2d525..19629591f5d 100644
--- a/go.mod
+++ b/go.mod
@@ -37,7 +37,7 @@ require (
 	github.com/stretchr/testify v1.11.1
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e
 	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56
-	golang.org/x/sync v0.20.0
+	golang.org/x/sync v0.21.0
 	golang.org/x/sys v0.45.0
 	gopkg.in/ozeidan/fuzzy-patricia.v3 v3.0.0
 	gopkg.in/yaml.v3 v3.0.1
diff --git a/go.sum b/go.sum
index e92e532e23f..1254f9dcf1e 100644
--- a/go.sum
+++ b/go.sum
@@ -149,8 +149,8 @@ golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
-golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
+golang.org/x/sync v0.21.0 h1:HLII4xRRTtCRkxYp4HNFF0Js/Og6q2i++KXbg0gHCwM=
+golang.org/x/sync v0.21.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
 golang.org/x/sys v0.0.0-20170407050850-f3918c30c5c2/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
diff --git a/vendor/golang.org/x/sync/errgroup/errgroup.go b/vendor/golang.org/x/sync/errgroup/errgroup.go
index f69fd754685..c261a8ebbdd 100644
--- a/vendor/golang.org/x/sync/errgroup/errgroup.go
+++ b/vendor/golang.org/x/sync/errgroup/errgroup.go
@@ -109,7 +109,7 @@ func (g *Group) TryGo(f func() error) bool {
 	if g.sem != nil {
 		select {
 		case g.sem <- token{}:
-			// Note: this allows barging iff channels in general allow barging.
+			// Note: this allows barging if and only if channels in general allow barging.
 		default:
 			return false
 		}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 6a21d6d976d..d36ea290b6e 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -176,7 +176,7 @@ golang.org/x/exp/constraints
 golang.org/x/exp/slices
 # golang.org/x/net v0.47.0
 ## explicit; go 1.24.0
-# golang.org/x/sync v0.20.0
+# golang.org/x/sync v0.21.0
 ## explicit; go 1.25.0
 golang.org/x/sync/errgroup
 # golang.org/x/sys v0.45.0