diff --git a/.ci.gemfile b/.ci.gemfile
index 02ca1f6..b84a50c 100644
--- a/.ci.gemfile
+++ b/.ci.gemfile
@@ -32,9 +32,13 @@ else
   gem 'json'
 end
 
-platforms :ruby do
+if RUBY_VERSION < '2.4' && RUBY_ENGINE == 'jruby'
+  gem 'sequel', '<5.72'
+else
   gem 'sequel'
+end
 
+platforms :ruby do
   if RUBY_VERSION < '1.9'
     gem 'sqlite3', '< 1.4'
   else
@@ -52,12 +56,6 @@ platforms :jruby do
   if RUBY_VERSION < '2.5'
     gem 'racc', '< 1.6'
   end
-
-  if RUBY_VERSION < '2.4'
-    gem 'sequel', '<5.72'
-  else
-    gem 'sequel'
-  end
 end
 
 if RUBY_VERSION < '2.2'