diff --git a/Gopkg.lock b/Gopkg.lock
index 645e344355e..e4ff965e5db 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -3,46 +3,35 @@
 
 [[projects]]
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@@ -75,135 +64,106 @@
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     "lexers/x",
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-    "styles",
+    "styles"
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-  revision = "e4dff9a08cad984e9cf8eaa39fb80f2beae10484"
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 [[projects]]
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   packages = [
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@@ -213,39 +173,31 @@
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+    "util/strings"
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@@ -257,266 +209,206 @@
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@@ -525,14 +417,12 @@
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@@ -543,31 +433,25 @@
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   packages = ["."]
-  pruneopts = ""
   revision = "ea038f4770b6746c3f8f84f14fa60d9fe1205b56"
   version = "v0.0.5"
 
 [[projects]]
   branch = "master"
-  digest = "1:baf32d4b565da5d3c4e44fb360f8e894a22ea2b9acfb08d029de9e09e71abe90"
   name = "golang.org/x/image"
   packages = [
     "bmp",
@@ -578,41 +462,33 @@
     "tiff/lzw",
     "vp8",
     "vp8l",
-    "webp",
+    "webp"
   ]
-  pruneopts = ""
   revision = "f315e440302883054d0c2bd85486878cb4f8572c"
 
 [[projects]]
   branch = "master"
-  digest = "1:40dd5a4f1e82c4d3dc3de550a96152f6a8937bcfcb20c7ee34685f8764e1bda5"
   name = "golang.org/x/net"
   packages = [
     "context",
-    "idna",
+    "idna"
   ]
-  pruneopts = ""
   revision = "61147c48b25b599e5b561d2e9c4f3e1ef489ca41"
 
 [[projects]]
   branch = "master"
-  digest = "1:b2ea75de0ccb2db2ac79356407f8a4cd8f798fe15d41b381c00abf3ae8e55ed1"
   name = "golang.org/x/sync"
   packages = ["errgroup"]
-  pruneopts = ""
   revision = "1d60e4601c6fd243af51cc01ddf169918a5407ca"
 
 [[projects]]
   branch = "master"
-  digest = "1:e9490adb0a1d5ac8f621a6430754822f87e565fd71d4cd1c9c4d90626f390624"
   name = "golang.org/x/sys"
   packages = ["unix"]
-  pruneopts = ""
   revision = "3b87a42e500a6dc65dae1a55d0b641295971163e"
 
 [[projects]]
   branch = "master"
-  digest = "1:4ef18a942de1e9887751539663458408cd4b737703c145edb75bf0e07c928053"
   name = "golang.org/x/text"
   packages = [
     "collate",
@@ -631,84 +507,19 @@
     "unicode/cldr",
     "unicode/norm",
     "unicode/rangetable",
-    "width",
+    "width"
   ]
-  pruneopts = ""
   revision = "2cb43934f0eece38629746959acc633cba083fe4"
 
 [[projects]]
   branch = "v2"
-  digest = "1:f0620375dd1f6251d9973b5f2596228cc8042e887cd7f827e4220bc1ce8c30e2"
   name = "gopkg.in/yaml.v2"
   packages = ["."]
-  pruneopts = ""
   revision = "5420a8b6744d3b0345ab293f6fcba19c978f1183"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  input-imports = [
-    "github.com/BurntSushi/locker",
-    "github.com/BurntSushi/toml",
-    "github.com/PuerkitoBio/purell",
-    "github.com/alecthomas/assert",
-    "github.com/alecthomas/chroma",
-    "github.com/alecthomas/chroma/formatters",
-    "github.com/alecthomas/chroma/formatters/html",
-    "github.com/alecthomas/chroma/lexers",
-    "github.com/alecthomas/chroma/styles",
-    "github.com/bep/debounce",
-    "github.com/bep/gitmap",
-    "github.com/bep/go-tocss/scss",
-    "github.com/bep/go-tocss/scss/libsass",
-    "github.com/bep/go-tocss/tocss",
-    "github.com/chaseadamsio/goorgeous",
-    "github.com/disintegration/imaging",
-    "github.com/eknkc/amber",
-    "github.com/fortytw2/leaktest",
-    "github.com/fsnotify/fsnotify",
-    "github.com/gobwas/glob",
-    "github.com/gorilla/websocket",
-    "github.com/hashicorp/go-immutable-radix",
-    "github.com/jdkato/prose/transform",
-    "github.com/kyokomi/emoji",
-    "github.com/magefile/mage/mg",
-    "github.com/magefile/mage/sh",
-    "github.com/markbates/inflect",
-    "github.com/miekg/mmark",
-    "github.com/mitchellh/hashstructure",
-    "github.com/mitchellh/mapstructure",
-    "github.com/muesli/smartcrop",
-    "github.com/nicksnyder/go-i18n/i18n/bundle",
-    "github.com/nicksnyder/go-i18n/i18n/language",
-    "github.com/olekukonko/tablewriter",
-    "github.com/russross/blackfriday",
-    "github.com/sanity-io/litter",
-    "github.com/spf13/afero",
-    "github.com/spf13/cast",
-    "github.com/spf13/cobra",
-    "github.com/spf13/cobra/doc",
-    "github.com/spf13/fsync",
-    "github.com/spf13/jwalterweatherman",
-    "github.com/spf13/nitro",
-    "github.com/spf13/pflag",
-    "github.com/spf13/viper",
-    "github.com/stretchr/testify/assert",
-    "github.com/stretchr/testify/require",
-    "github.com/tdewolff/minify",
-    "github.com/tdewolff/minify/css",
-    "github.com/tdewolff/minify/html",
-    "github.com/tdewolff/minify/js",
-    "github.com/tdewolff/minify/json",
-    "github.com/tdewolff/minify/svg",
-    "github.com/tdewolff/minify/xml",
-    "github.com/yosssi/ace",
-    "golang.org/x/image/webp",
-    "golang.org/x/net/context",
-    "golang.org/x/sync/errgroup",
-    "golang.org/x/text/transform",
-    "golang.org/x/text/unicode/norm",
-    "gopkg.in/yaml.v2",
-  ]
+  inputs-digest = "d56fe7ce11fdbe4311022e2835861393816d2e8a8d0026d9d7e47e4a06c79adc"
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
index b3e63c8768a..b6c0268c9eb 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -10,7 +10,7 @@
 
 [[constraint]]
   name = "github.com/alecthomas/chroma"
-  revision = "e4dff9a08cad984e9cf8eaa39fb80f2beae10484"
+  version = "^0.5.0"
 
 [[constraint]]
   branch = "master"