diff --git a/go.mod b/go.mod
index 2469ca8..ab3fbb4 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/taigrr/socketio
 
 go 1.27
 
-toolchain go1.27.2
+toolchain go1.27.3
 
 require (
 	github.com/gorilla/websocket v1.5.3
@@ -14,5 +14,5 @@ require (
 	github.com/gopherjs/gopherjs v1.17.2 // indirect
 	github.com/jtolds/gls v4.20.0+incompatible // indirect
 	github.com/smarty/assertions v1.15.0 // indirect
-	golang.org/x/sys v0.47.0 // indirect
+	golang.org/x/sys v0.49.0 // indirect
 )
diff --git a/go.sum b/go.sum
index d7279e7..be6428a 100644
--- a/go.sum
+++ b/go.sum
@@ -10,5 +10,5 @@ github.com/smarty/assertions v1.15.0 h1:cR//PqUBUiQRakZWqBiFFQ9wb8emQGDb0HeGdqGB
 github.com/smarty/assertions v1.15.0/go.mod h1:yABtdzeQs6l1brC900WlRNwj6ZR55d7B+E8C6HtKdec=
 github.com/smartystreets/goconvey v1.8.1 h1:qGjIddxOk4grTu9JPOU31tVfq3cNdBlNa5sSznIX1xY=
 github.com/smartystreets/goconvey v1.8.1/go.mod h1:+/u4qLyY6x1jReYOp7GOM2FSt8aP9CzCZL03bI28W60=
-golang.org/x/sys v0.47.0 h1:o7XGOvZQCADBQQ4Y7VNq2dRWQR7JmOUW8Kxx4ZsNgWs=
-golang.org/x/sys v0.47.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/sys v0.49.0 h1:XbzkgYJHdqh/8m2Uu0W/dQv8nktxx4BFHp1M0gROTXA=
+golang.org/x/sys v0.49.0/go.mod h1:hNLxWAXmnKAxqDtdwIYC4bM9oQPEecfsnNMuSxOs3og=