diff --git a/.rubocop.yml b/.rubocop.yml
index 5a4f5f826..96f648550 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -4,7 +4,7 @@ AllCops:
     - 'tmp/**/*'
     - 'tools/**/*'
     - 'doc/**/*'
-  TargetRubyVersion: 2.4
+  TargetRubyVersion: 2.5
 
 Metrics/AbcSize:
   Enabled: false
diff --git a/.travis.yml b/.travis.yml
index fdc65ee46..a0832bd4e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,9 @@
 language: ruby
 rvm:
-  - 2.4.0
+  - 2.5.0
   - 2.5.3
   - 2.6.0
+  - 2.6.5
 notifications:
   email:
     recipients:
diff --git a/INSTALL.txt b/INSTALL.txt
index 5fec4026d..edee536e7 100644
--- a/INSTALL.txt
+++ b/INSTALL.txt
@@ -21,9 +21,9 @@ Or cloning the Git repository from Github:
 Prerequisites
 --------------
 
-BeEF requires Ruby 2.4+.
+BeEF requires Ruby 2.5+.
 
-If your operating system package manager does not support Ruby version 2.4,
+If your operating system package manager does not support Ruby version 2.5,
 you can add the brightbox ppa repository for the latest version of Ruby:
 
   $ sudo apt-add-repository -y ppa:brightbox/ruby-ng
diff --git a/README.md b/README.md
index 7bb5370db..4c9b510ae 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Requirements
 ------------
 
 * Operating System: Mac OSX 10.5.0 or higher / modern Linux. Note: Windows is not supported.
-* [Ruby](http://ruby-lang.org): 2.4 or newer
+* [Ruby](http://ruby-lang.org): 2.5 or newer
 * [SQLite](http://sqlite.org): 3.x
 * [Node.js](https://nodejs.org): 6 or newer
 * The gems listed in the Gemfile: https://github.com/beefproject/beef/blob/master/Gemfile
diff --git a/beef b/beef
index 15e62b422..2286c191b 100755
--- a/beef
+++ b/beef
@@ -12,11 +12,11 @@
 $VERBOSE = nil
 
 #
-# @note Version check to ensure BeEF is running Ruby 2.4+
+# @note Version check to ensure BeEF is running Ruby 2.5+
 #
-if RUBY_VERSION < '2.4'
+if RUBY_VERSION < '2.5'
   puts
-  puts "Ruby version #{RUBY_VERSION} is no longer supported. Please upgrade to Ruby version 2.4 or later."
+  puts "Ruby version #{RUBY_VERSION} is no longer supported. Please upgrade to Ruby version 2.5 or later."
   puts
   exit 1
 end
diff --git a/install b/install
index f35cf7bb2..10dc56294 100755
--- a/install
+++ b/install
@@ -156,7 +156,7 @@ check_ruby_version () {
 
   info 'Detecting Ruby environment...'
 
-  MIN_RUBY_VER='2.4'
+  MIN_RUBY_VER='2.5'
   if command_exists ruby${RUBYSUFFIX}
   then
     RUBY_VERSION=$(ruby${RUBYSUFFIX} -e "puts RUBY_VERSION")