diff --git a/.circleci/config.yml b/.circleci/config.yml
index abde0b938..a8b7f4a7c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,6 +1,6 @@
 defaults: &defaults
     macos:
-      xcode: "10.2.0"
+      xcode: "11.0.0"
     shell: /bin/bash --login -eo pipefail
 aliases:
   - &prepare
diff --git a/.ruby-version b/.ruby-version
index 0465952a8..4560fb912 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-2.4
+ruby-2.6.3
diff --git a/.travis.yml b/.travis.yml
index 5bf5b3a44..676a96d97 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: objective-c
 os: osx
-osx_image: xcode10.2
+osx_image: xcode11
 branches:
   only:
     - master
diff --git a/Gemfile b/Gemfile
index bf4c55126..9e5f3fc0b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,6 @@ source 'https://rubygems.org'
 gem 'rake'
 gem 'plist'
 gem 'naturally', '~> 1.3.2'
+gem 'cocoapods', '~> 1.7.5'
+gem 'jazzy', '~> 0.11.1'
 gem 'xcpretty'
-gem 'xcodeproj'
-gem 'cocoapods', '~> 1.5.0'
-gem 'jazzy', '~> 0.9.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 27a68831f..801fbfc57 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,113 +1,106 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    CFPropertyList (3.0.0)
-    activesupport (4.2.10)
+    CFPropertyList (3.0.1)
+    activesupport (4.2.11.1)
       i18n (~> 0.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    atomos (0.1.2)
-    claide (1.0.2)
-    cocoapods (1.5.0)
+    atomos (0.1.3)
+    claide (1.0.3)
+    cocoapods (1.7.5)
       activesupport (>= 4.0.2, < 5)
       claide (>= 1.0.2, < 2.0)
-      cocoapods-core (= 1.5.0)
-      cocoapods-deintegrate (>= 1.0.2, < 2.0)
-      cocoapods-downloader (>= 1.2.0, < 2.0)
+      cocoapods-core (= 1.7.5)
+      cocoapods-deintegrate (>= 1.0.3, < 2.0)
+      cocoapods-downloader (>= 1.2.2, < 2.0)
       cocoapods-plugins (>= 1.0.0, < 2.0)
       cocoapods-search (>= 1.0.0, < 2.0)
       cocoapods-stats (>= 1.0.0, < 2.0)
-      cocoapods-trunk (>= 1.3.0, < 2.0)
+      cocoapods-trunk (>= 1.3.1, < 2.0)
       cocoapods-try (>= 1.1.0, < 2.0)
       colored2 (~> 3.1)
       escape (~> 0.0.4)
-      fourflusher (~> 2.0.1)
+      fourflusher (>= 2.3.0, < 3.0)
       gh_inspector (~> 1.0)
-      molinillo (~> 0.6.5)
+      molinillo (~> 0.6.6)
       nap (~> 1.0)
-      ruby-macho (~> 1.1)
-      xcodeproj (>= 1.5.7, < 2.0)
-    cocoapods-core (1.5.0)
+      ruby-macho (~> 1.4)
+      xcodeproj (>= 1.10.0, < 2.0)
+    cocoapods-core (1.7.5)
       activesupport (>= 4.0.2, < 6)
       fuzzy_match (~> 2.0.4)
       nap (~> 1.0)
-    cocoapods-deintegrate (1.0.2)
-    cocoapods-downloader (1.2.0)
+    cocoapods-deintegrate (1.0.4)
+    cocoapods-downloader (1.2.2)
     cocoapods-plugins (1.0.0)
       nap
     cocoapods-search (1.0.0)
-    cocoapods-stats (1.0.0)
-    cocoapods-trunk (1.3.0)
+    cocoapods-stats (1.1.0)
+    cocoapods-trunk (1.4.0)
       nap (>= 0.8, < 2.0)
       netrc (~> 0.11)
     cocoapods-try (1.1.0)
     colored2 (3.1.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.5)
     escape (0.0.4)
-    ffi (1.9.18)
-    fourflusher (2.0.1)
+    ffi (1.11.1)
+    fourflusher (2.3.1)
     fuzzy_match (2.0.4)
     gh_inspector (1.1.3)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jazzy (0.9.0)
-      cocoapods (~> 1.0)
-      mustache (~> 0.99)
+    jazzy (0.11.1)
+      cocoapods (~> 1.5)
+      mustache (~> 1.1)
       open4
-      redcarpet (~> 3.2)
-      rouge (~> 1.5)
-      sass (~> 3.4)
+      redcarpet (~> 3.4)
+      rouge (>= 2.0.6, < 4.0)
+      sassc (~> 2.1)
       sqlite3 (~> 1.3)
       xcinvoke (~> 0.3.0)
     liferaft (0.0.6)
     minitest (5.11.3)
-    molinillo (0.6.5)
-    mustache (0.99.8)
-    nanaimo (0.2.5)
+    molinillo (0.6.6)
+    mustache (1.1.0)
+    nanaimo (0.2.6)
     nap (1.1.0)
     naturally (1.3.2)
     netrc (0.11.0)
     open4 (1.3.4)
-    plist (3.2.0)
-    rake (11.2.2)
-    rb-fsevent (0.10.2)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
-    redcarpet (3.4.0)
-    rouge (1.11.1)
-    ruby-macho (1.1.0)
-    sass (3.5.3)
-      sass-listen (~> 4.0.0)
-    sass-listen (4.0.0)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    sqlite3 (1.3.13)
+    plist (3.5.0)
+    rake (12.3.3)
+    redcarpet (3.5.0)
+    rouge (2.0.7)
+    ruby-macho (1.4.0)
+    sassc (2.2.0)
+      ffi (~> 1.9)
+    sqlite3 (1.4.1)
     thread_safe (0.3.6)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     xcinvoke (0.3.0)
       liferaft (~> 0.0.6)
-    xcodeproj (1.5.7)
+    xcodeproj (1.12.0)
       CFPropertyList (>= 2.3.3, < 4.0)
-      atomos (~> 0.1.2)
+      atomos (~> 0.1.3)
       claide (>= 1.0.2, < 2.0)
       colored2 (~> 3.1)
-      nanaimo (~> 0.2.4)
-    xcpretty (0.2.2)
-      rouge (~> 1.8)
+      nanaimo (~> 0.2.6)
+    xcpretty (0.3.0)
+      rouge (~> 2.0.7)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  cocoapods (~> 1.5.0)
-  jazzy (~> 0.9.0)
+  cocoapods (~> 1.7.5)
+  jazzy (~> 0.11.1)
   naturally (~> 1.3.2)
   plist
   rake
-  xcodeproj
   xcpretty
 
 BUNDLED WITH
-   1.16.1
+   1.17.3