diff --git a/smart_proxy.gemspec b/smart_proxy.gemspec
index 4dc05065d..7dae2140b 100644
--- a/smart_proxy.gemspec
+++ b/smart_proxy.gemspec
@@ -15,6 +15,7 @@ Gem::Specification.new do |s|
   s.required_ruby_version = '>= 3.0'
   s.add_dependency 'base64'
   s.add_dependency 'json'
+  s.add_dependency 'logger'
   s.add_dependency 'logging'
   s.add_dependency 'ostruct'
   s.add_dependency 'rack', '>= 1.3'