diff --git a/Gemfile.lock b/Gemfile.lock
index f69f082..614344a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -121,10 +121,10 @@ GEM
     rails_12factor (0.0.2)
       rails_serve_static_assets
       rails_stdout_logging
-    rails_admin (0.6.4)
+    rails_admin (0.6.5)
       builder (~> 3.1)
       coffee-rails (~> 4.0)
-      font-awesome-rails (>= 3.0)
+      font-awesome-rails (>= 3.0, < 5)
       haml (~> 4.0)
       jquery-rails (~> 3.0)
       jquery-ui-rails (~> 5.0)
@@ -134,7 +134,7 @@ GEM
       rails (~> 4.0)
       remotipart (~> 1.0)
       safe_yaml (~> 1.0)
-      sass-rails (>= 4.0)
+      sass-rails (~> 4.0)
     rails_serve_static_assets (0.0.2)
     rails_stdout_logging (0.0.3)
     railties (4.1.6)