diff --git a/tools/go.mod b/tools/go.mod
index 388a259646..fdb979b574 100644
--- a/tools/go.mod
+++ b/tools/go.mod
@@ -168,6 +168,7 @@ require (
 	github.com/quasilyte/gogrep v0.0.0-20220120141003-628d8b3623b5 // indirect
 	github.com/quasilyte/regex/syntax v0.0.0-20200407221936-30656e2c4a95 // indirect
 	github.com/quasilyte/stdinfo v0.0.0-20220114132959-f7386bf02567 // indirect
+	github.com/ramya-rao-a/go-outline v0.0.0-20210608161538-9736a4bde949 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/russross/blackfriday v1.6.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
diff --git a/tools/go.sum b/tools/go.sum
index 9a52b2a74a..e9e7391aed 100644
--- a/tools/go.sum
+++ b/tools/go.sum
@@ -713,6 +713,8 @@ github.com/quasilyte/regex/syntax v0.0.0-20200407221936-30656e2c4a95 h1:L8QM9bvf
 github.com/quasilyte/regex/syntax v0.0.0-20200407221936-30656e2c4a95/go.mod h1:rlzQ04UMyJXu/aOvhd8qT+hvDrFpiwqp8MRXDY9szc0=
 github.com/quasilyte/stdinfo v0.0.0-20220114132959-f7386bf02567 h1:M8mH9eK4OUR4lu7Gd+PU1fV2/qnDNfzT635KRSObncs=
 github.com/quasilyte/stdinfo v0.0.0-20220114132959-f7386bf02567/go.mod h1:DWNGW8A4Y+GyBgPuaQJuWiy0XYftx4Xm/y5Jqk9I6VQ=
+github.com/ramya-rao-a/go-outline v0.0.0-20210608161538-9736a4bde949 h1:iaD+iVf9xGfajsJp+zYrg9Lrk6gMJ6/hZHO4cYq5D5o=
+github.com/ramya-rao-a/go-outline v0.0.0-20210608161538-9736a4bde949/go.mod h1:9V3eNbj9Z53yO7cKB6cSX9f0O7rYdIiuGBhjA1YsQuw=
 github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=