diff --git a/flagd-proxy/go.mod b/flagd-proxy/go.mod
index 38d296999..a7dd55842 100644
--- a/flagd-proxy/go.mod
+++ b/flagd-proxy/go.mod
@@ -18,7 +18,7 @@ require (
 	go.opentelemetry.io/otel/sdk/metric v1.31.0
 	go.uber.org/zap v1.27.0
 	golang.org/x/net v0.30.0
-	golang.org/x/sync v0.8.0
+	golang.org/x/sync v0.9.0
 	google.golang.org/grpc v1.68.0
 )
 
diff --git a/flagd-proxy/go.sum b/flagd-proxy/go.sum
index 5ff9921fb..307ea877a 100644
--- a/flagd-proxy/go.sum
+++ b/flagd-proxy/go.sum
@@ -421,6 +421,8 @@ golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
 golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.9.0 h1:fEo0HyrW1GIgZdpbhCRO0PkJajUS5H9IFUztCgEo2jQ=
+golang.org/x/sync v0.9.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/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/flagd/go.mod b/flagd/go.mod
index 4a9d21830..9951a137b 100644
--- a/flagd/go.mod
+++ b/flagd/go.mod
@@ -26,7 +26,7 @@ require (
 	go.uber.org/mock v0.5.0
 	go.uber.org/zap v1.27.0
 	golang.org/x/net v0.30.0
-	golang.org/x/sync v0.8.0
+	golang.org/x/sync v0.9.0
 	google.golang.org/grpc v1.68.0
 	google.golang.org/protobuf v1.35.1
 )
diff --git a/flagd/go.sum b/flagd/go.sum
index 495272563..819b0d53f 100644
--- a/flagd/go.sum
+++ b/flagd/go.sum
@@ -423,6 +423,8 @@ golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
 golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.9.0 h1:fEo0HyrW1GIgZdpbhCRO0PkJajUS5H9IFUztCgEo2jQ=
+golang.org/x/sync v0.9.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/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=