gopls: update go.mod file

Change-Id: I55cb89de76d64c0f2c6d3b3e680b0f5c8e72154b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184166
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
diff --git a/gopls/go.mod b/gopls/go.mod
index 6053ebf..641bdff 100644
--- a/gopls/go.mod
+++ b/gopls/go.mod
@@ -2,6 +2,6 @@
 
 go 1.11
 
-require golang.org/x/tools v0.0.0-20190612231717-10539ce30318
+require golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0
 
-replace golang.org/x/tools => ../
+replace golang.org/x/tools => ../
\ No newline at end of file
diff --git a/gopls/go.sum b/gopls/go.sum
index 95aef0b..45070ca 100644
--- a/gopls/go.sum
+++ b/gopls/go.sum
@@ -4,3 +4,4 @@
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=