diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 41e4516..8948249 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.4, 2.5, 2.6]
+        ruby: [2.5, 2.6, 2.7]
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
diff --git a/grocery_delivery.gemspec b/grocery_delivery.gemspec
index ecc8102..efdae7d 100644
--- a/grocery_delivery.gemspec
+++ b/grocery_delivery.gemspec
@@ -29,7 +29,7 @@ Gem::Specification.new do |s|
   s.bindir = %w{bin}
   s.executables = %w{grocery-delivery}
 
-  s.required_ruby_version = '>= 2.4.0'
+  s.required_ruby_version = '>= 2.5.0'
   s.add_dependency 'between_meals', '>= 0.0.11'
   s.add_dependency 'mixlib-config'
 end