diff --git a/lib/rails-mermaid_erd/builder.rb b/lib/rails-mermaid_erd/builder.rb
index 918c519..13fc502 100644
--- a/lib/rails-mermaid_erd/builder.rb
+++ b/lib/rails-mermaid_erd/builder.rb
@@ -13,6 +13,7 @@ def model_data
         next unless defined_model.table_exists?
         next if defined_model.name.include?("HABTM_")
         next if defined_model.table_name.blank?
+        next if RailsMermaidErd.configuration.ignore.select { |i| Regexp.new(i).match(defined_model.table_name) }.present?
 
         table_name = defined_model.table_name
         model = {
diff --git a/lib/rails-mermaid_erd/configuration.rb b/lib/rails-mermaid_erd/configuration.rb
index 74fd25b..b4afac2 100644
--- a/lib/rails-mermaid_erd/configuration.rb
+++ b/lib/rails-mermaid_erd/configuration.rb
@@ -1,11 +1,12 @@
 require "yaml"
 
 class RailsMermaidErd::Configuration
-  attr_accessor :result_path
+  attr_accessor :result_path, :ignore
 
   def initialize
     config = {
-      result_path: "mermaid_erd/index.html"
+      result_path: "mermaid_erd/index.html",
+      ignore: []
     }
 
     config_file = Rails.root.join("config/mermaid_erd.yml")
@@ -15,5 +16,6 @@ def initialize
     end
 
     @result_path = config[:result_path]
+    @ignore = config[:ignore]
   end
 end