diff --git a/solidus_i18n.gemspec b/solidus_i18n.gemspec
index 60d0036f..33ce5538 100644
--- a/solidus_i18n.gemspec
+++ b/solidus_i18n.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
 
   s.has_rdoc = false
 
-  s.add_runtime_dependency 'solidus_core', ['>= 1.1', '< 3']
+  s.add_runtime_dependency 'solidus_core', ['2.5.0']
 
   s.add_development_dependency 'pry-rails', '>= 0.3.0'
   s.add_development_dependency 'rubocop', '>= 0.24.1'