diff --git a/Gemfile b/Gemfile
index 78da13c..0cd474f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,21 +1,21 @@
 source 'https://rubygems.org'
 
-gem 'rails', '~> 4'
-gem 'rails-api'
+gem 'rails', '~> 4', '>= 4.2.10'
+gem 'rails-api', '>= 0.4.1'
 gem 'settingslogic'
 gem 'omniauth-uaa-oauth2', git: 'https://github.com/cloudfoundry/omniauth-uaa-oauth2'
 gem 'nats'
-gem 'sass-rails'
+gem 'sass-rails', '>= 5.0.7'
 gem 'docker-api'
 gem 'tzinfo-data'
 
 group :production do
   gem 'unicorn'
-  gem 'lograge'
+  gem 'lograge', '>= 0.10.0'
 end
 
 group :development, :test do
-  gem 'rspec-rails'
+  gem 'rspec-rails', '>= 3.7.2'
 end
 
 group :development do
diff --git a/Gemfile.lock b/Gemfile.lock
index dbe955a..32ee406 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,21 +94,21 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.2.2)
+    loofah (2.2.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.13)
-    mail (2.7.0)
+    mail (2.7.1)
       mini_mime (>= 0.1.1)
     method_source (0.9.0)
-    mini_mime (1.0.0)
+    mini_mime (1.0.1)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
     multi_json (1.12.2)
     nats (0.9.0)
       eventmachine (~> 1.2, >= 1.2)
     nenv (0.3.0)
-    nokogiri (1.8.3)
+    nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
     notiffany (0.1.1)
       nenv (~> 0.1)
@@ -157,26 +157,26 @@ GEM
       ffi (>= 0.5.0, < 2)
     request_store (1.4.1)
       rack (>= 1.4)
-    rspec-core (3.7.1)
-      rspec-support (~> 3.7.0)
-    rspec-expectations (3.7.0)
+    rspec-core (3.8.0)
+      rspec-support (~> 3.8.0)
+    rspec-expectations (3.8.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.7.0)
-    rspec-mocks (3.7.0)
+      rspec-support (~> 3.8.0)
+    rspec-mocks (3.8.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.7.0)
-    rspec-rails (3.7.2)
+      rspec-support (~> 3.8.0)
+    rspec-rails (3.8.1)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       railties (>= 3.0)
-      rspec-core (~> 3.7.0)
-      rspec-expectations (~> 3.7.0)
-      rspec-mocks (~> 3.7.0)
-      rspec-support (~> 3.7.0)
-    rspec-support (3.7.1)
+      rspec-core (~> 3.8.0)
+      rspec-expectations (~> 3.8.0)
+      rspec-mocks (~> 3.8.0)
+      rspec-support (~> 3.8.0)
+    rspec-support (3.8.0)
     ruby_dep (1.5.0)
     safe_yaml (1.0.4)
-    sass (3.5.6)
+    sass (3.6.0)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -219,13 +219,13 @@ PLATFORMS
 DEPENDENCIES
   docker-api
   guard-rails
-  lograge
+  lograge (>= 0.10.0)
   nats
   omniauth-uaa-oauth2!
-  rails (~> 4)
-  rails-api
-  rspec-rails
-  sass-rails
+  rails (~> 4, >= 4.2.10)
+  rails-api (>= 0.4.1)
+  rspec-rails (>= 3.7.2)
+  sass-rails (>= 5.0.7)
   settingslogic
   shotgun
   tzinfo-data
@@ -233,4 +233,4 @@ DEPENDENCIES
   webmock
 
 BUNDLED WITH
-   1.16.1
+   1.16.6