diff --git a/go.mod b/go.mod
index 42346019..74bcb23b 100644
--- a/go.mod
+++ b/go.mod
@@ -19,7 +19,7 @@ require (
 	go.opentelemetry.io/otel/trace v1.44.0
 	go.uber.org/automaxprocs v1.6.0
 	go.uber.org/zap v1.28.0
-	golang.org/x/sync v0.20.0
+	golang.org/x/sync v0.21.0
 	k8s.io/api v0.34.1
 	k8s.io/apiextensions-apiserver v0.29.3
 	k8s.io/apimachinery v0.34.1
diff --git a/go.sum b/go.sum
index 6a4bc6d2..63e51f00 100644
--- a/go.sum
+++ b/go.sum
@@ -515,8 +515,8 @@ golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/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 v0.20.0 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 v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/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 f69fd754..c261a8eb 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 e2605cda..699626e3 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -469,7 +469,7 @@ golang.org/x/net/websocket
 ## explicit; go 1.23.0
 golang.org/x/oauth2
 golang.org/x/oauth2/internal
-# 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 v0.42.0