diff --git a/Gemfile.lock b/Gemfile.lock
index 2795119ef..d0fa1c499 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -579,7 +579,7 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0)
     rainbow (3.1.1)
-    rake (12.3.3)
+    rake (13.0.6)
     rash_alt (0.4.12)
       hashie (>= 3.4)
     rb-fsevent (0.11.1)
@@ -639,7 +639,11 @@ GEM
     ruby2_keywords (0.0.5)
     rubyzip (2.3.2)
     rugged (1.0.1)
-    sass (3.4.25)
+    sass (3.7.4)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
     sassc (2.4.0)
       ffi (~> 1.9)
     sassc-rails (2.1.2)
@@ -651,9 +655,8 @@ GEM
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
-    scss_lint (0.55.0)
-      rake (>= 0.9, < 13)
-      sass (~> 3.4.20)
+    scss_lint (0.60.0)
+      sass (~> 3.5, >= 3.5.5)
     secure_headers (6.3.3)
     shoulda-matchers (4.5.1)
       activesupport (>= 4.2.0)