diff --git a/.travis.yml b/.travis.yml
index 5f0bc80..e34846e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,8 +22,6 @@ jobs:
       rvm: 2.6.5
     - <<: *test
       rvm: 2.5.7
-    - <<: *test
-      rvm: 2.4.9
     - <<: *test
       rvm: jruby-9.2.9.0
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6daa3d2..121c958 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,5 @@
 # master
+  * drop support for ruby 2.4
 
 # 2.7.0 (2020-05-25)
   * sync with uap-core 0.10.0
diff --git a/user_agent_parser.gemspec b/user_agent_parser.gemspec
index a9be6ba..b028262 100644
--- a/user_agent_parser.gemspec
+++ b/user_agent_parser.gemspec
@@ -14,5 +14,5 @@ Gem::Specification.new do |gem|
 
   gem.files = %x{git ls-files}.split("\n").select { |d| d =~ %r{^(MIT-LICENSE|Readme.md|lib|bin/)} } + ['vendor/uap-core/regexes.yaml']
 
-  gem.required_ruby_version = '>= 2.4'
+  gem.required_ruby_version = '>= 2.5'
 end