diff --git a/github-linguist.gemspec b/github-linguist.gemspec
index 183d0fb8..d6c62dc9 100644
--- a/github-linguist.gemspec
+++ b/github-linguist.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'charlock_holmes', '~> 0.7.3'
   s.add_dependency 'escape_utils',    '~> 1.1.0'
   s.add_dependency 'mime-types',      '>= 1.19'
-  s.add_dependency 'rugged',          '0.25.1.1'
+  s.add_dependency 'rugged',          '>= 0.25.1.1'
 
   s.add_development_dependency 'minitest', '>= 5.0'
   s.add_development_dependency 'mocha'
diff --git a/grammars.yml b/grammars.yml
index 217eefad..6dd0bc4d 100755
--- a/grammars.yml
+++ b/grammars.yml
@@ -417,13 +417,14 @@ vendor/grammars/language-python:
 - text.python.traceback
 vendor/grammars/language-regexp:
 - source.regexp
-- source.regexp.comment
 - source.regexp.extended
 vendor/grammars/language-renpy:
 - source.renpy
 vendor/grammars/language-restructuredtext:
 - text.restructuredtext
 vendor/grammars/language-roff:
+- source.ditroff
+- source.ditroff.desc
 - source.ideal
 - source.pic
 - text.roff
diff --git a/lib/linguist/version.rb b/lib/linguist/version.rb
index d0ebf100..398ea139 100644
--- a/lib/linguist/version.rb
+++ b/lib/linguist/version.rb
@@ -1,3 +1,3 @@
 module Linguist
-  VERSION = "5.0.4"
+  VERSION = "5.0.5"
 end
diff --git a/vendor/CodeMirror b/vendor/CodeMirror
index 268cf990..459873b5 160000
--- a/vendor/CodeMirror
+++ b/vendor/CodeMirror
@@ -1 +1 @@
-Subproject commit 268cf9905509b87de33a00342ee1cce9a1bdc5cd
+Subproject commit 459873b5c1807527314706c03580ec06515e8d1e
diff --git a/vendor/grammars/Handlebars b/vendor/grammars/Handlebars
index ed851e0c..63c28f7a 160000
--- a/vendor/grammars/Handlebars
+++ b/vendor/grammars/Handlebars
@@ -1 +1 @@
-Subproject commit ed851e0c67c2b674b6ca00c49414544aebbfbc07
+Subproject commit 63c28f7aa9360681451779164f40d80f2e70a9cc
diff --git a/vendor/grammars/MagicPython b/vendor/grammars/MagicPython
index b7d7f9d0..18de6108 160000
--- a/vendor/grammars/MagicPython
+++ b/vendor/grammars/MagicPython
@@ -1 +1 @@
-Subproject commit b7d7f9d00765e1aaa6a1c9c6f28846245ee2f9ae
+Subproject commit 18de6108ce2d2520c77958db312d31a78777139b
diff --git a/vendor/grammars/SublimeClarion b/vendor/grammars/SublimeClarion
index 5823e7f4..750afa2b 160000
--- a/vendor/grammars/SublimeClarion
+++ b/vendor/grammars/SublimeClarion
@@ -1 +1 @@
-Subproject commit 5823e7f44704eabb08673a7e32b48836141a1f8e
+Subproject commit 750afa2b2a5dd99b1c128183bf368c86f9a0b9c5
diff --git a/vendor/grammars/SublimePapyrus b/vendor/grammars/SublimePapyrus
index b87e7c52..a98c4200 160000
--- a/vendor/grammars/SublimePapyrus
+++ b/vendor/grammars/SublimePapyrus
@@ -1 +1 @@
-Subproject commit b87e7c5238c2c93c6815bd39cf7689916c5a6536
+Subproject commit a98c42007caf01e47ad3a16ae8d8dcf7dea39ef2
diff --git a/vendor/grammars/atom-fsharp b/vendor/grammars/atom-fsharp
index 4f9d5510..c8758023 160000
--- a/vendor/grammars/atom-fsharp
+++ b/vendor/grammars/atom-fsharp
@@ -1 +1 @@
-Subproject commit 4f9d5510f3b78885b5a248277c1e6f16be18bc96
+Subproject commit c875802334ce03cd027a4127f8e6c974568ccc79
diff --git a/vendor/grammars/atom-language-perl6 b/vendor/grammars/atom-language-perl6
index 519adffd..c264a412 160000
--- a/vendor/grammars/atom-language-perl6
+++ b/vendor/grammars/atom-language-perl6
@@ -1 +1 @@
-Subproject commit 519adffd86e70d3bf1fa42953c6c5aa46c9a49d8
+Subproject commit c264a41233b6e60bbf668ac7838a46eb5631f368
diff --git a/vendor/grammars/atom-language-rust b/vendor/grammars/atom-language-rust
index 092cc6a8..05552e60 160000
--- a/vendor/grammars/atom-language-rust
+++ b/vendor/grammars/atom-language-rust
@@ -1 +1 @@
-Subproject commit 092cc6a8a085ef1b28141d7aa7c0c242f3024c3a
+Subproject commit 05552e60458e0fc507d2da772c699a0645b6a466
diff --git a/vendor/grammars/elixir-tmbundle b/vendor/grammars/elixir-tmbundle
index 50846fe5..90a41b6a 160000
--- a/vendor/grammars/elixir-tmbundle
+++ b/vendor/grammars/elixir-tmbundle
@@ -1 +1 @@
-Subproject commit 50846fe55547054c960c62fa2d63c0a1b85e7e57
+Subproject commit 90a41b6a23248f6542fbc684314b5799585b3a82
diff --git a/vendor/grammars/haxe-sublime-bundle b/vendor/grammars/haxe-sublime-bundle
index e9559a2c..b6bbf484 160000
--- a/vendor/grammars/haxe-sublime-bundle
+++ b/vendor/grammars/haxe-sublime-bundle
@@ -1 +1 @@
-Subproject commit e9559a2c538c83d5dca09e410915834e9bdcd3cb
+Subproject commit b6bbf484042552e5b921232cc944633a8454809a
diff --git a/vendor/grammars/idris b/vendor/grammars/idris
index 1089032a..56fe4d65 160000
--- a/vendor/grammars/idris
+++ b/vendor/grammars/idris
@@ -1 +1 @@
-Subproject commit 1089032af66874410fb4c2fbe8a1f73806181cfe
+Subproject commit 56fe4d65a6b30130658a3f07d1898a873e5a9785
diff --git a/vendor/grammars/kotlin-sublime-package b/vendor/grammars/kotlin-sublime-package
index 535967fd..02d76dd8 160000
--- a/vendor/grammars/kotlin-sublime-package
+++ b/vendor/grammars/kotlin-sublime-package
@@ -1 +1 @@
-Subproject commit 535967fd2c53d299289d3b045097ea08dbe9764f
+Subproject commit 02d76dd8eb687bbf0ff0894404e72ff7315b69a4
diff --git a/vendor/grammars/language-blade b/vendor/grammars/language-blade
index 0282a2c5..4b09ca3b 160000
--- a/vendor/grammars/language-blade
+++ b/vendor/grammars/language-blade
@@ -1 +1 @@
-Subproject commit 0282a2c5aa27d7288b0aa679c5accc52fc977794
+Subproject commit 4b09ca3be5879322222e679199a80ccc3097b440
diff --git a/vendor/grammars/language-click b/vendor/grammars/language-click
index 1ee1fe01..104f915f 160000
--- a/vendor/grammars/language-click
+++ b/vendor/grammars/language-click
@@ -1 +1 @@
-Subproject commit 1ee1fe012be44973488d9f6666376ab72dbb024a
+Subproject commit 104f915f6228fb04ac9301993227b4649dc71eef
diff --git a/vendor/grammars/language-clojure b/vendor/grammars/language-clojure
index 5747bb28..e29ea56b 160000
--- a/vendor/grammars/language-clojure
+++ b/vendor/grammars/language-clojure
@@ -1 +1 @@
-Subproject commit 5747bb28c2d12a246180824d8f851f2aec719d32
+Subproject commit e29ea56ba0bfe43a02081295568c00d3adc70c6a
diff --git a/vendor/grammars/language-coffee-script b/vendor/grammars/language-coffee-script
index dade0926..6f5f2202 160000
--- a/vendor/grammars/language-coffee-script
+++ b/vendor/grammars/language-coffee-script
@@ -1 +1 @@
-Subproject commit dade09261c20c35a2f6c8880658bc1bf58a2b42b
+Subproject commit 6f5f2202dfd17c3106f1a5b25bb59927a847d606
diff --git a/vendor/grammars/language-csound b/vendor/grammars/language-csound
index c1c5b4db..0db8ee76 160000
--- a/vendor/grammars/language-csound
+++ b/vendor/grammars/language-csound
@@ -1 +1 @@
-Subproject commit c1c5b4db72e808cb6b1f77a1e6bd09c203140086
+Subproject commit 0db8ee76a58e0ae759719450c1eb15a54831eb0a
diff --git a/vendor/grammars/language-haskell b/vendor/grammars/language-haskell
index f9a937ad..d81dbcb6 160000
--- a/vendor/grammars/language-haskell
+++ b/vendor/grammars/language-haskell
@@ -1 +1 @@
-Subproject commit f9a937ad28411485e763f90e0d89e1cd3cc73c76
+Subproject commit d81dbcb6c4d7688489da16dbb4fc5b82449d896d
diff --git a/vendor/grammars/language-javascript b/vendor/grammars/language-javascript
index 245162fe..4146e0f3 160000
--- a/vendor/grammars/language-javascript
+++ b/vendor/grammars/language-javascript
@@ -1 +1 @@
-Subproject commit 245162fea4db7c75bb9142a09fa95f4d52910cf7
+Subproject commit 4146e0f3a160fc3ac0b80714af144e9ca8ea5329
diff --git a/vendor/grammars/language-less b/vendor/grammars/language-less
index c9abeea6..65152fe4 160000
--- a/vendor/grammars/language-less
+++ b/vendor/grammars/language-less
@@ -1 +1 @@
-Subproject commit c9abeea6639da0d040855275f6b9220a5f4ea5ff
+Subproject commit 65152fe43b33655d06a61bfcf2f47b857d0209f1
diff --git a/vendor/grammars/language-python b/vendor/grammars/language-python
index ceb204c6..0bb1c441 160000
--- a/vendor/grammars/language-python
+++ b/vendor/grammars/language-python
@@ -1 +1 @@
-Subproject commit ceb204c65436254c7aeea518645b12916d9cfb4a
+Subproject commit 0bb1c4410883bccd38b179d46307bec547d762f4
diff --git a/vendor/grammars/language-regexp b/vendor/grammars/language-regexp
index 9dc99a60..f7ad4626 160000
--- a/vendor/grammars/language-regexp
+++ b/vendor/grammars/language-regexp
@@ -1 +1 @@
-Subproject commit 9dc99a60ae07a8f8773527600c9ef9a6489a21c4
+Subproject commit f7ad4626adb046149df554e50623370df9c16e60
diff --git a/vendor/grammars/language-restructuredtext b/vendor/grammars/language-restructuredtext
index 659de4b4..890840ff 160000
--- a/vendor/grammars/language-restructuredtext
+++ b/vendor/grammars/language-restructuredtext
@@ -1 +1 @@
-Subproject commit 659de4b4cdc0e556276c2efddc8e4f2df07d9fe2
+Subproject commit 890840ff68dae987fc21360bc6159239e3b58f0e
diff --git a/vendor/grammars/language-roff b/vendor/grammars/language-roff
index e796cb46..19e69fe4 160000
--- a/vendor/grammars/language-roff
+++ b/vendor/grammars/language-roff
@@ -1 +1 @@
-Subproject commit e796cb463fe640d65b87186ba5d2d71407b4d6ad
+Subproject commit 19e69fe42ffbb2b3adacf66aa02ee2488011ac81
diff --git a/vendor/grammars/language-turing b/vendor/grammars/language-turing
index 5f1d5f2f..b96a299f 160000
--- a/vendor/grammars/language-turing
+++ b/vendor/grammars/language-turing
@@ -1 +1 @@
-Subproject commit 5f1d5f2f1a47424113c92ca154b5de45b6f9200d
+Subproject commit b96a299fca6c07572ee4fb6b2fad2a27bf339c78
diff --git a/vendor/grammars/language-yaml b/vendor/grammars/language-yaml
index 252a0c19..c7fd9b4e 160000
--- a/vendor/grammars/language-yaml
+++ b/vendor/grammars/language-yaml
@@ -1 +1 @@
-Subproject commit 252a0c19c6098b5270af61b402fa0aa184b32d8d
+Subproject commit c7fd9b4e8cec784afc731d95bf6d11ed7c6e9044
diff --git a/vendor/grammars/latex.tmbundle b/vendor/grammars/latex.tmbundle
index 4f20bf6e..60f4ed80 160000
--- a/vendor/grammars/latex.tmbundle
+++ b/vendor/grammars/latex.tmbundle
@@ -1 +1 @@
-Subproject commit 4f20bf6e8c02799a66ce18945570077e0f7abcde
+Subproject commit 60f4ed80f3cbb14b7fa5161f971f8e1d083734ee
diff --git a/vendor/grammars/reason b/vendor/grammars/reason
index f18549cc..3d256994 160000
--- a/vendor/grammars/reason
+++ b/vendor/grammars/reason
@@ -1 +1 @@
-Subproject commit f18549ccd31053f71c40f0e0c9b605cadfc3c9c9
+Subproject commit 3d25699411f71e9449ba6efaf564037a898529df
diff --git a/vendor/grammars/ruby-slim.tmbundle b/vendor/grammars/ruby-slim.tmbundle
index 2016357d..3a58baea 160000
--- a/vendor/grammars/ruby-slim.tmbundle
+++ b/vendor/grammars/ruby-slim.tmbundle
@@ -1 +1 @@
-Subproject commit 2016357d9ca16b8c3e8c2aa9ac0a48ed46f27adb
+Subproject commit 3a58baeade2fdb203cd99fcf06b46d5a217484af
diff --git a/vendor/grammars/sas.tmbundle b/vendor/grammars/sas.tmbundle
index 776b5477..8b31bfff 160000
--- a/vendor/grammars/sas.tmbundle
+++ b/vendor/grammars/sas.tmbundle
@@ -1 +1 @@
-Subproject commit 776b54772b27f6f30be714fbabf9eb9abba3d013
+Subproject commit 8b31bfff7c42cb5a77c1c7793d12222cb7c333b5
diff --git a/vendor/grammars/st2-zonefile b/vendor/grammars/st2-zonefile
index 0d943fef..e394e030 160000
--- a/vendor/grammars/st2-zonefile
+++ b/vendor/grammars/st2-zonefile
@@ -1 +1 @@
-Subproject commit 0d943fefb815262804f0ae309b08221f34eda054
+Subproject commit e394e030141bc2f8886a3d6bfab2eef4e3567d04
diff --git a/vendor/grammars/sublime_cobol b/vendor/grammars/sublime_cobol
index 7c60c108..f3b7e4e6 160000
--- a/vendor/grammars/sublime_cobol
+++ b/vendor/grammars/sublime_cobol
@@ -1 +1 @@
-Subproject commit 7c60c10849c45a55203b352dcf0b212113a61caf
+Subproject commit f3b7e4e6b9d62c221e7e3264ed58b2d829c5bf8b