diff --git a/go.mod b/go.mod
index 01f7a6c..492e786 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/juliosueiras/terraform-lsp
 go 1.12
 
 require (
-	github.com/creachadair/jrpc2 v0.1.2
+	github.com/creachadair/jrpc2 v0.4.2
 	github.com/creack/pty v1.1.9 // indirect
 	github.com/davecgh/go-spew v1.1.1
 	github.com/go-errors/errors v1.0.1 // indirect
@@ -29,7 +29,6 @@ require (
 	github.com/urfave/cli v1.22.2 // indirect
 	github.com/vmihailenco/msgpack v4.0.4+incompatible // indirect
 	github.com/zclconf/go-cty v1.2.1
-	golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 // indirect
 )
 
 replace git.apache.org/thrift.git => github.com/apache/thrift v0.0.0-20180902110319-2566ecd5d999
diff --git a/go.sum b/go.sum
index 550d0b7..8a14e1b 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,10 @@
 bitbucket.org/creachadair/shell v0.0.6/go.mod h1:8Qqi/cYk7vPnsOePHroKXDJYmb5x7ENhtiFtfZq8K+M=
 bitbucket.org/creachadair/stringset v0.0.6 h1:3VD1WC7Bgyc2aqu9FhPqXmnrDLVgQEW+0yoVLR40Xw0=
 bitbucket.org/creachadair/stringset v0.0.6/go.mod h1:YVtlFe1DN6gD8ODwUjcP0SV6ZgeNhPDrRf9O+jdB/h8=
+bitbucket.org/creachadair/stringset v0.0.7 h1:0BcF5uWBXLPdXIeYE5YVWX5ciCYWV5qePGGnKGpkdxU=
+bitbucket.org/creachadair/stringset v0.0.7/go.mod h1:GqOef/L3LzxUUGnQobbltX6Us45D0gTEg9B4tYoOSG4=
+bitbucket.org/creachadair/stringset v0.0.8 h1:gQqe4vs8XWgMyijfyKE6K8o4TcyGGrRXe0JvHgx5H+M=
+bitbucket.org/creachadair/stringset v0.0.8/go.mod h1:AgthVMyMxC/6FK1KBJ2ALdqkZObGN8hOetgpwXyMn34=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
@@ -91,6 +95,12 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSY
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creachadair/jrpc2 v0.1.2 h1:HxqF+XvtBf6MQz0L12gKbr9y3DyCNqjvILpnw6FGaaA=
 github.com/creachadair/jrpc2 v0.1.2/go.mod h1:hZIkdv6dHxrBp5ORguCyhNwE1eUrbhaGm/u3UAh9epQ=
+github.com/creachadair/jrpc2 v0.4.2 h1:5SV/12YOX+WvoQ+onFYxRXhGwX6NvWz3vFhHZkItGNs=
+github.com/creachadair/jrpc2 v0.4.2/go.mod h1:Ry3h5pW9/c9PN6LcdAQAEYqVHZ+Yi6nl2cyamfxAfP4=
+github.com/creachadair/jrpc2 v0.5.0 h1:QGd/P9rPpyaZ4tnCdji1IvH4rHF3gnJ2j8grp/ttsos=
+github.com/creachadair/jrpc2 v0.5.0/go.mod h1:HptbIMq6UvdItNE34C8g6fKv85gdgiaz1uuYL3c9w+E=
+github.com/creachadair/staticfile v0.0.3/go.mod h1:a3qySzCIXEprDGxk6tSxSI+dBBdLzqeBOMhZ+o2d3pM=
+github.com/creachadair/staticfile v0.1.2/go.mod h1:a3qySzCIXEprDGxk6tSxSI+dBBdLzqeBOMhZ+o2d3pM=
 github.com/creack/pty v1.1.9 h1:uDmaGzcdjhF4i/plgjmEsriH11Y0o7RKapEf/LDaM3w=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -439,6 +449,8 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e h1:vcxGaoTs7kV8m5Np9uUNQin4BrLOthgV7252N8V+FwY=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -477,6 +489,7 @@ golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgw
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522 h1:bhOzK9QyoD0ogCnFro1m2mz41+Ib0oOhfJnBp5MR4K4=
 golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 h1:9zdDQZ7Thm29KFXgAX/+yaf3eVbP7djjWp/dXAppNCc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=