diff --git a/Gemfile b/Gemfile
index 6530e9ff..b2305f81 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,8 +3,8 @@ ruby '2.4.2'
 
 gem 'rake'
 gem 'thor'
-gem 'pry', '~> 0.10.0'
-gem 'activesupport', '~> 5.0', require: false
+gem 'pry', '~> 0.11.0'
+gem 'activesupport', '~> 5.1', require: false
 gem 'yajl-ruby', require: false
 
 group :app do
diff --git a/Gemfile.lock b/Gemfile.lock
index 3927cacb..ec112f54 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    backports (3.8.0)
+    backports (3.9.1)
     better_errors (2.3.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
@@ -28,7 +28,7 @@ GEM
     ffi (1.9.18)
     fspath (3.1.0)
     highline (1.7.8)
-    html-pipeline (2.7.0)
+    html-pipeline (2.7.1)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     i18n (0.8.6)
@@ -38,27 +38,26 @@ GEM
       image_size (~> 1.5)
       in_threads (~> 1.3)
       progress (~> 3.0, >= 3.0.1)
-    image_optim_pack (0.5.0.20170831)
+    image_optim_pack (0.5.0.20171001)
       fspath (>= 2.1, < 4)
       image_optim (~> 0.19)
     image_size (1.5.0)
     in_threads (1.4.0)
-    method_source (0.8.2)
-    mini_portile2 (2.2.0)
+    method_source (0.9.0)
+    mini_portile2 (2.3.0)
     minitest (5.10.3)
     multi_json (1.12.2)
     mustermann (1.0.1)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.8.1)
+      mini_portile2 (~> 2.3.0)
     options (2.3.2)
     progress (3.3.1)
     progress_bar (1.1.0)
       highline (~> 1.6)
       options (~> 2.3.0)
-    pry (0.10.4)
+    pry (0.11.1)
       coderay (~> 1.1.0)
-      method_source (~> 0.8.1)
-      slop (~> 3.4)
+      method_source (~> 0.9.0)
     rack (2.0.3)
     rack-protection (2.0.0)
       rack
@@ -69,7 +68,7 @@ GEM
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     rr (1.2.1)
-    sass (3.5.1)
+    sass (3.5.2)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -86,7 +85,6 @@ GEM
       rack-protection (= 2.0.0)
       sinatra (= 2.0.0)
       tilt (>= 1.3, < 3)
-    slop (3.6.0)
     sprockets (3.7.1)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -123,7 +121,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  activesupport (~> 5.0)
+  activesupport (~> 5.1)
   better_errors
   browser
   coffee-script
@@ -134,7 +132,7 @@ DEPENDENCIES
   minitest
   nokogiri
   progress_bar
-  pry (~> 0.10.0)
+  pry (~> 0.11.0)
   rack
   rack-test
   rake