diff --git a/go-exec-from-memory/go.mod b/go-exec-from-memory/go.mod
index e495889..97e2d8e 100644
--- a/go-exec-from-memory/go.mod
+++ b/go-exec-from-memory/go.mod
@@ -2,7 +2,10 @@ module fileless
 
 require (
 	github.com/GeertJohan/go.rice v0.0.0-20170420135705-c02ca9a983da
+	golang.org/x/sys v0.1.0
+)
+
+require (
 	github.com/daaku/go.zipexe v0.0.0-20150329023125-a5fe2436ffcb // indirect
 	github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1 // indirect
-	golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b
 )
diff --git a/go-exec-from-memory/go.sum b/go-exec-from-memory/go.sum
index e4ad389..020e2e9 100644
--- a/go-exec-from-memory/go.sum
+++ b/go-exec-from-memory/go.sum
@@ -4,5 +4,5 @@ github.com/daaku/go.zipexe v0.0.0-20150329023125-a5fe2436ffcb h1:tUf55Po0vzOendQ
 github.com/daaku/go.zipexe v0.0.0-20150329023125-a5fe2436ffcb/go.mod h1:U0vRfAucUOohvdCxt5MWLF+TePIL0xbCkbKIiV8TQCE=
 github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1 h1:PJPDf8OUfOK1bb/NeTKd4f1QXZItOX389VN3B6qC8ro=
 github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1/go.mod h1:1NbS8ALrpOvjt0rHPNLyCIeMtbizbir8U//inJ+zuB8=
-golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b h1:MQE+LT/ABUuuvEZ+YQAMSXindAdUh7slEmAkup74op4=
-golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
+golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=