diff --git a/build/tasks/prebuild-less-task.coffee b/build/tasks/prebuild-less-task.coffee
index c8cf33083..ecd0fb2c8 100644
--- a/build/tasks/prebuild-less-task.coffee
+++ b/build/tasks/prebuild-less-task.coffee
@@ -9,10 +9,12 @@ module.exports = (grunt) ->
       ['atom-dark-ui', 'atom-light-syntax']
       ['atom-dark-ui', 'solarized-dark-syntax']
       ['atom-dark-ui', 'base16-tomorrow-dark-theme']
+      ['atom-dark-ui', 'base16-tomorrow-light-theme']
       ['atom-light-ui', 'atom-light-syntax']
       ['atom-light-ui', 'atom-dark-syntax']
       ['atom-light-ui', 'solarized-dark-syntax']
       ['atom-light-ui', 'base16-tomorrow-dark-theme']
+      ['atom-light-ui', 'base16-tomorrow-light-theme']
     ]
 
     directory = path.join(grunt.config.get('atom.appDir'), 'less-compile-cache')
diff --git a/package.json b/package.json
index b2622ab94..763401d13 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,8 @@
     "atom-dark-ui": "0.32.0",
     "atom-light-syntax": "0.20.0",
     "atom-light-ui": "0.28.0",
-    "base16-tomorrow-dark-theme": "0.19.0",
+    "base16-tomorrow-dark-theme": "0.20.0",
+    "base16-tomorrow-light-theme": "0.3.0",
     "solarized-dark-syntax": "0.21.0",
     "solarized-light-syntax": "0.11.0",
     "archive-view": "0.34.0",