diff --git a/Gemfile b/Gemfile
index 2e6cf66..fadcf55 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ gem 'kramdown'
 
 # SASS & cool stuff
 gem 'compass', '~> 1.0.3'
-gem 'bootstrap-sass', '~> 3.3.3'
+gem 'bootstrap-sass', '~> 3.4.1'
 gem 'font-awesome-sass', '~> 4.3.0'
 
 # Guard
diff --git a/Gemfile.lock b/Gemfile.lock
index ff92c3f..2affaee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,12 +4,11 @@ GEM
     adsf (1.2.0)
       rack (>= 1.0.0)
     allison (2.0.3)
-    autoprefixer-rails (5.2.1.1)
+    autoprefixer-rails (10.0.1.0)
       execjs
-      json
-    bootstrap-sass (3.3.5.1)
-      autoprefixer-rails (>= 5.0.0.1)
-      sass (>= 3.3.0)
+    bootstrap-sass (3.4.1)
+      autoprefixer-rails (>= 5.2.1)
+      sassc (>= 2.0.0)
     builder (3.2.2)
     chunky_png (1.3.4)
     coderay (1.1.0)
@@ -33,7 +32,7 @@ GEM
       rake (>= 0.9.2)
       rdoc (>= 2.5.11)
       rubyforge (>= 2.0.4)
-    execjs (2.5.2)
+    execjs (2.7.0)
     ffi (1.9.10)
     font-awesome-sass (4.3.2.1)
       sass (~> 3.2)
@@ -50,7 +49,7 @@ GEM
     guard-nanoc (1.0.3)
       guard (~> 2.8)
       nanoc (~> 3.6)
-    json (1.8.3)
+    json (1.8.6)
     json_pure (2.0.1)
     kramdown (1.8.0)
     libv8 (3.16.14.15)
@@ -85,7 +84,9 @@ GEM
     ref (2.0.0)
     rubyforge (2.0.4)
       json_pure (>= 1.1.7)
-    sass (3.4.16)
+    sass (3.4.25)
+    sassc (2.4.0)
+      ffi (~> 1.9)
     shellany (0.0.1)
     slop (3.6.0)
     therubyracer (0.12.2)
@@ -101,7 +102,7 @@ PLATFORMS
 
 DEPENDENCIES
   adsf (~> 1.2.0)
-  bootstrap-sass (~> 3.3.3)
+  bootstrap-sass (~> 3.4.1)
   builder
   compass (~> 1.0.3)
   echoe (~> 4.6, >= 4.6.6)