diff --git a/Gemfile b/Gemfile
index 239f08b..333a9eb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,3 +13,4 @@ gem 'builder'
 gem 'fssm'
 gem 'systemu'
 gem 'listen'
+gem 'guard-nanoc'
diff --git a/Gemfile.lock b/Gemfile.lock
index 2380d59..1b21fb3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,13 +6,24 @@ GEM
       multi_json (~> 1.3)
       oauth2 (>= 0.5.0, < 0.9)
     builder (3.2.2)
+    coderay (1.0.9)
     colored (1.2)
     cri (2.3.0)
       colored (>= 1.2)
     faraday (0.8.7)
       multipart-post (~> 1.1)
     ffi (1.9.0)
+    formatador (0.2.4)
     fssm (0.2.10)
+    guard (1.8.1)
+      formatador (>= 0.2.4)
+      listen (>= 1.0.0)
+      lumberjack (>= 1.0.2)
+      pry (>= 0.9.10)
+      thor (>= 0.14.6)
+    guard-nanoc (1.0.1)
+      guard (>= 1.8.0)
+      nanoc (>= 3.6.3)
     haml (4.0.3)
       tilt
     httparty (0.11.0)
@@ -25,6 +36,8 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
       rb-kqueue (>= 0.2)
+    lumberjack (1.0.4)
+    method_source (0.8.1)
     mime-types (1.23)
     mini_portile (0.5.1)
     multi_json (1.7.7)
@@ -40,6 +53,10 @@ GEM
       jwt (~> 0.1.4)
       multi_json (~> 1.0)
       rack (~> 1.2)
+    pry (0.9.12.2)
+      coderay (~> 1.0.5)
+      method_source (~> 0.8)
+      slop (~> 3.4)
     rack (1.5.2)
     rake (10.1.0)
     rb-fsevent (0.9.3)
@@ -50,7 +67,9 @@ GEM
     rdiscount (2.1.6)
     rubypants (0.2.0)
     sass (3.2.9)
+    slop (3.4.5)
     systemu (2.5.2)
+    thor (0.18.1)
     tilt (1.4.1)
 
 PLATFORMS
@@ -60,6 +79,7 @@ DEPENDENCIES
   bitly
   builder
   fssm
+  guard-nanoc
   haml
   listen
   mime-types