diff --git a/.travis.yml b/.travis.yml
index dc9f3294..6c59f0be 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,8 @@ addons:
 
 cache: bundler
 
-before_script:
+before_install:
+  - "echo 'gem: --no-document' > ~/.gemrc"
   - gem update --system
   - gem install bundler
 
diff --git a/Gemfile.lock b/Gemfile.lock
index eb3af850..d1abb66b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,8 +11,8 @@ GEM
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
-    browser (2.5.3)
-    chunky_png (1.3.10)
+    browser (2.6.1)
+    chunky_png (1.3.11)
     coderay (1.1.2)
     coffee-script (2.4.1)
       coffee-script-source
@@ -27,24 +27,24 @@ GEM
     execjs (2.7.0)
     exifr (1.3.6)
     ffi (1.11.1)
-    fspath (3.1.1)
+    fspath (3.1.2)
     highline (2.0.2)
-    html-pipeline (2.11.0)
+    html-pipeline (2.11.1)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
-    image_optim (0.26.4)
+    image_optim (0.26.5)
       exifr (~> 1.2, >= 1.2.2)
       fspath (~> 3.0)
       image_size (>= 1.5, < 3)
       in_threads (~> 1.3)
       progress (~> 3.0, >= 3.0.1)
-    image_optim_pack (0.5.3)
+    image_optim_pack (0.5.6)
       fspath (>= 2.1, < 4)
       image_optim (~> 0.19)
-    image_size (2.0.1)
-    in_threads (1.5.2)
+    image_size (2.0.2)
+    in_threads (1.5.3)
     method_source (0.9.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -57,7 +57,7 @@ GEM
     nokogiri (1.10.3)
       mini_portile2 (~> 2.4.0)
     options (2.3.2)
-    progress (3.5.1)
+    progress (3.5.2)
     progress_bar (1.3.0)
       highline (>= 1.6, < 3)
       options (~> 2.3.0)
@@ -159,8 +159,8 @@ DEPENDENCIES
   sinatra-contrib
   sprockets
   sprockets-helpers
-  terminal-table
   sprockets-sass
+  terminal-table
   thin
   thor
   tty-pager
@@ -173,4 +173,4 @@ RUBY VERSION
    ruby 2.6.3p62
 
 BUNDLED WITH
-   1.17.3
+   2.0.2