diff --git a/Gemfile b/Gemfile
index d75971de..b0810ca4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -34,6 +34,7 @@ group :development do
   gem 'foreman'
   gem 'rerun'
   # gem 'debugger'
+  gem 'rb-fsevent', '~> 0.9.1'
 end
 
 group :development, :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index b82358b1..52630c30 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GIT
   remote: git://github.com/getsentry/raven-ruby.git
-  revision: 73ee575e641bfe9e6d919599bde277bb21529954
+  revision: ab0e8e5a14c416d38686de9a20f436e005efe735
   specs:
-    sentry-raven (0.4.0)
+    sentry-raven (0.4.2)
       faraday (>= 0.7.6)
       hashie
       multi_json (~> 1.0)
@@ -45,7 +45,7 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-core.git
-  revision: 2d766c54c2fea70dfc4d937c22413eee937f002b
+  revision: b8d0d63f433c8e63472b97b3c287b99d31027ecb
   specs:
     travis-core (0.0.1)
       actionmailer (~> 3.2.11)
@@ -209,7 +209,7 @@ GEM
       rack (>= 0.4)
     rack-protection (1.3.2)
       rack
-    rack-ssl (1.3.2)
+    rack-ssl (1.3.3)
       rack
     rack-test (0.6.2)
       rack (>= 1.0)
@@ -221,6 +221,7 @@ GEM
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
     rake (0.9.6)
+    rb-fsevent (0.9.3)
     rdoc (3.12)
       json (~> 1.4)
     redcarpet (2.2.2)
@@ -237,7 +238,7 @@ GEM
     rspec-core (2.12.2)
     rspec-expectations (2.12.1)
       diff-lcs (~> 1.1.3)
-    rspec-mocks (2.12.1)
+    rspec-mocks (2.12.2)
     sidekiq (2.5.4)
       celluloid (~> 0.12.0)
       connection_pool (~> 0.9.2)
@@ -245,9 +246,9 @@ GEM
       redis (~> 3)
       redis-namespace
     signature (0.1.6)
-    sinatra (1.3.3)
-      rack (~> 1.3, >= 1.3.6)
-      rack-protection (~> 1.2)
+    sinatra (1.3.4)
+      rack (~> 1.4)
+      rack-protection (~> 1.3)
       tilt (~> 1.3, >= 1.3.3)
     sinatra-contrib (1.3.2)
       backports (>= 2.0)
@@ -295,6 +296,7 @@ DEPENDENCIES
   rack-cache (~> 1.2)
   rack-contrib!
   rake (~> 0.9.2)
+  rb-fsevent (~> 0.9.1)
   rerun
   rspec (~> 2.11)
   sentry-raven!
diff --git a/lib/travis/api/app/endpoint/artifacts.rb b/lib/travis/api/app/endpoint/artifacts.rb
index 1db1bb99..1c718e81 100644
--- a/lib/travis/api/app/endpoint/artifacts.rb
+++ b/lib/travis/api/app/endpoint/artifacts.rb
@@ -10,11 +10,13 @@ class Travis::Api::App
         respond_with service(:find_artifact, params)
       end
 
-      # TODO needs auth, required for live log archiving on log:aggregted in travis-tasks
-      #
-      # put '/:id' do |id|
-      #   respond_with service(:update_artifact, params)
-      # end
+      put '/:id' do |id|
+        # TODO @rkh ... rather lost in the auth/scopes code.
+        token = env['HTTP_TOKEN']
+        halt 403, 'no token' unless token
+        halt 403, 'internal' unless token == Travis.config.tokens.internal
+        respond_with service(:update_artifact, params)
+      end
     end
   end
 end