diff --git a/Gemfile.lock b/Gemfile.lock
index e05f4b3b3c..221a428cf2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -93,7 +93,7 @@ PATH
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
-      logger
+      logger (>= 1.4.2)
       minitest (>= 5.1)
       tzinfo (~> 2.0, >= 2.0.5)
     rails (8.0.0.alpha)
diff --git a/activesupport/activesupport.gemspec b/activesupport/activesupport.gemspec
index 7f1da4eb27..41cdea2569 100644
--- a/activesupport/activesupport.gemspec
+++ b/activesupport/activesupport.gemspec
@@ -42,5 +42,5 @@
   s.add_dependency "base64"
   s.add_dependency "drb"
   s.add_dependency "bigdecimal"
-  s.add_dependency "logger"
+  s.add_dependency "logger", ">= 1.4.2"
 end
diff --git a/activesupport/lib/active_support/logger_thread_safe_level.rb b/activesupport/lib/active_support/logger_thread_safe_level.rb
index cc2e46b0da..39d6fe9d2c 100644
--- a/activesupport/lib/active_support/logger_thread_safe_level.rb
+++ b/activesupport/lib/active_support/logger_thread_safe_level.rb
@@ -7,14 +7,6 @@ module ActiveSupport
   module LoggerThreadSafeLevel # :nodoc:
     extend ActiveSupport::Concern
 
-    Logger::Severity.constants.each do |severity|
-      class_eval(<<-EOT, __FILE__, __LINE__ + 1)
-        def #{severity.downcase}?                # def debug?
-          Logger::#{severity} >= level           #   DEBUG >= level
-        end                                      # end
-      EOT
-    end
-
     def local_level
       IsolatedExecutionState[local_level_key]
     end
diff --git a/activesupport/test/broadcast_logger_test.rb b/activesupport/test/broadcast_logger_test.rb
index 9a3466c3b8..7c7fa4239d 100644
--- a/activesupport/test/broadcast_logger_test.rb
+++ b/activesupport/test/broadcast_logger_test.rb
@@ -369,6 +369,26 @@ def add(message_level, message = nil, progname = nil, &block)
         @adds << [message_level, message, progname] if message_level >= local_level
       end
 
+      def debug?
+        level <= ::Logger::DEBUG
+      end
+
+      def info?
+        level <= ::Logger::INFO
+      end
+
+      def warn?
+        level <= ::Logger::WARN
+      end
+
+      def error?
+        level <= ::Logger::ERROR
+      end
+
+      def fatal?
+        level <= ::Logger::FATAL
+      end
+
       def close
         @closed = true
       end