Updating module dependencies
diff --git a/go.mod b/go.mod
index 62a68b0..2069819 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/chromedp/cdproto
 
 require (
-	github.com/knq/sysutil v0.0.0-20180306023629-0218e141a794
+	github.com/knq/sysutil v0.0.0-20181215143952-f05b59f0f307
 	github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329
 )
diff --git a/go.sum b/go.sum
index a0035df..0816e50 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
-github.com/knq/sysutil v0.0.0-20180306023629-0218e141a794 h1:hgWKTlyruPI7k8W+0FmTMLf+8d2KPxyzTxsfDDQhNp8=
-github.com/knq/sysutil v0.0.0-20180306023629-0218e141a794/go.mod h1:BjPj+aVjl9FW/cCGiF3nGh5v+9Gd3VCgBQbod/GlMaQ=
+github.com/knq/sysutil v0.0.0-20181215143952-f05b59f0f307 h1:vl4eIlySbjertFaNwiMjXsGrFVK25aOWLq7n+3gh2ls=
+github.com/knq/sysutil v0.0.0-20181215143952-f05b59f0f307/go.mod h1:BjPj+aVjl9FW/cCGiF3nGh5v+9Gd3VCgBQbod/GlMaQ=
 github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329 h1:2gxZ0XQIU/5z3Z3bUBu+FXuk2pFbkN6tcwi/pjyaDic=
 github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=