Update development dependencies

.travis.yml

@@ -1,4 +1,6 @@
 language: ruby
 rvm:
-  - 2.3.1
-  - ruby-head
+  - 2.5.7
+  - 2.6.5
+
+script: bundle exec rspec

Gemfile.lock

@@ -6,68 +6,62 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    coderay (1.1.1)
-    diff-lcs (1.2.5)
-    ffi (1.9.10)
+    coderay (1.1.2)
+    diff-lcs (1.3)
+    ffi (1.12.2)
     formatador (0.2.5)
-    guard (2.13.0)
+    guard (2.16.1)
       formatador (>= 0.2.4)
-      listen (>= 2.7, <= 4.0)
-      lumberjack (~> 1.0)
+      listen (>= 2.7, < 4.0)
+      lumberjack (>= 1.0.12, < 2.0)
       nenv (~> 0.1)
       notiffany (~> 0.0)
       pry (>= 0.9.12)
       shellany (~> 0.0)
       thor (>= 0.18.1)
     guard-compat (1.2.1)
-    guard-rspec (4.6.5)
+    guard-rspec (4.7.3)
       guard (~> 2.1)
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
-    listen (3.1.3)
-      rb-fsevent (~> 0.9, >= 0.9.7)
-      rb-inotify (~> 0.9, >= 0.9.7)
-      ruby_dep (~> 1.2)
-    lumberjack (1.0.10)
-    method_source (0.8.2)
+    listen (3.2.1)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    lumberjack (1.2.4)
+    method_source (0.9.2)
     nenv (0.3.0)
-    notiffany (0.0.8)
+    notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
-    pry (0.10.3)
+    pry (0.12.2)
       coderay (~> 1.1.0)
-      method_source (~> 0.8.1)
-      slop (~> 3.4)
-    rake (11.1.2)
-    rb-fsevent (0.9.7)
-    rb-inotify (0.9.7)
-      ffi (>= 0.5.0)
-    rspec (3.4.0)
-      rspec-core (~> 3.4.0)
-      rspec-expectations (~> 3.4.0)
-      rspec-mocks (~> 3.4.0)
-    rspec-core (3.4.4)
-      rspec-support (~> 3.4.0)
-    rspec-expectations (3.4.0)
+      method_source (~> 0.9.0)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    rspec (3.9.0)
+      rspec-core (~> 3.9.0)
+      rspec-expectations (~> 3.9.0)
+      rspec-mocks (~> 3.9.0)
+    rspec-core (3.9.1)
+      rspec-support (~> 3.9.1)
+    rspec-expectations (3.9.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.4.0)
-    rspec-mocks (3.4.1)
+      rspec-support (~> 3.9.0)
+    rspec-mocks (3.9.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.4.0)
-    rspec-support (3.4.1)
-    ruby_dep (1.3.0)
+      rspec-support (~> 3.9.0)
+    rspec-support (3.9.2)
     shellany (0.0.1)
-    slop (3.6.0)
-    thor (0.19.1)
+    thor (1.0.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  guard-rspec (~> 4.6)
-  rake (~> 11.1)
-  rspec (~> 3.4)
+  guard-rspec (~> 4.7)
+  rspec (~> 3.9)
   yarr!
 
 BUNDLED WITH
-   1.12.2
+   1.17.3

spec/lib/interpreter_spec.rb

@@ -84,7 +84,7 @@
       expect(interpreter.call).to eq(<<-END.gsub(/^\s+\||\n$/, '')
         |\e[1;31mERROR\e[0m <main>: syntax error, unexpected &
         |1 + &
-        |     ^
+        |    ^
         END
       )
     end

yarr.gemspec

@@ -9,14 +9,13 @@ Gem::Specification.new do |spec|
   spec.homepage    = "https://github.com/arturoherrero/yarr"
   spec.license     = "MIT"
 
-  spec.required_ruby_version = ">= 2.0.0"
+  spec.required_ruby_version = ">= 2.5.0"
 
   spec.files         = Dir["{bin,lib}/**/*", "LICENSE", "README.md"]
   spec.test_files    = Dir["spec/**/*"]
   spec.require_paths = ["lib"]
   spec.executables   = ["yarr"]
 
-  spec.add_development_dependency "guard-rspec", "~> 4.6"
-  spec.add_development_dependency "rake", "~> 11.1"
-  spec.add_development_dependency "rspec", "~> 3.4"
+  spec.add_development_dependency "guard-rspec", "~> 4.7"
+  spec.add_development_dependency "rspec", "~> 3.9"
 end