diff --git a/Gemfile.lock b/Gemfile.lock
index 60fa7b8a..d634ebda 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,12 +1,12 @@
 GIT
-  remote: git://github.com/Compass/compass-rails.git
-  revision: d600de4a6c5870613aac63f32491da4771a3c982
+  remote: https://github.com/Compass/compass-rails.git
+  revision: f6391d0d30fa63bb9bf6cd94e0e5608012584e6e
   branch: master
   specs:
-    compass-rails (2.0.5)
+    compass-rails (4.0.0)
       compass (~> 1.0.0)
       sass-rails (< 5.1)
-      sprockets (< 2.13)
+      sprockets (< 4.0)
 
 GEM
   remote: https://rubygems.org/
@@ -73,7 +73,7 @@ GEM
       activesupport (>= 4.0.0)
       mime-types (>= 1.16)
     childprocess (3.0.0)
-    chunky_png (1.3.4)
+    chunky_png (1.4.0)
     coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0)
@@ -96,7 +96,7 @@ GEM
     concurrent-ruby (1.1.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.5)
+    crass (1.0.6)
     cucumber (3.1.2)
       builder (>= 2.1.2)
       cucumber-core (~> 3.2.0)
@@ -148,7 +148,7 @@ GEM
       i18n (~> 0.5)
     faraday (0.12.2)
       multipart-post (>= 1.2, < 3)
-    ffi (1.11.3)
+    ffi (1.15.5)
     fission (0.5.0)
       CFPropertyList (~> 2.2)
     fog (1.41.0)
@@ -395,7 +395,7 @@ GEM
     lolcat (42.1.43)
       paint (~> 1.0.0)
       trollop (~> 2.1.2)
-    loofah (2.4.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -462,8 +462,8 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
@@ -482,8 +482,8 @@ GEM
       activesupport (>= 3.0, <= 5.1.1)
       i18n
     rb-fsevent (0.9.6)
-    rb-inotify (0.9.5)
-      ffi (>= 0.5.0)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
     rb-readline (0.5.5)
     rbtree (0.4.5)
     rbvmomi (1.13.0)