diff --git a/default.py b/default.py
index aaa80d97..1307d09d 100644
--- a/default.py
+++ b/default.py
@@ -190,6 +190,10 @@ def update_browser(self, _):
         update_user_agent()
         sys.exit(0)
 
+    def update_carbon_rating(self, _):
+        update_mdn_rules()
+        sys.exit(0)
+
     def update_mdn(self, _):
         update_mdn_rules()
         sys.exit(0)
@@ -528,6 +532,7 @@ def handle_option(self, opt, arg):
             ("-b", "--update-browser"): self.update_browser,
             ("-d", "--update-definitions"): self.update_software_definitions,
             ("--ums", "--update-mdn-sources"): self.update_mdn,
+            ("--ucr", "--update-carbon-rating"): self.update_carbon_rating,
             ("-s", "--setting"): self.set_setting,
             ("-ss", "--save-setting"): self.save_setting
         }
@@ -574,6 +579,7 @@ def main(argv):
                                    "uc" ,"update-credits",
                                    "ums", "update-mdn-sources",
                                    "update-browser", "update-definitions=",
+                                   "update-carbon-rating",
                                    "is=", "it=", "setting=", "save-setting="])
     except getopt.GetoptError:
         print(main.__doc__)
diff --git a/tools/carbon_rating.py b/helpers/carbon_rating_helper.py
similarity index 100%
rename from tools/carbon_rating.py
rename to helpers/carbon_rating_helper.py
diff --git a/helpers/mdn_helper.py b/helpers/mdn_helper.py
index 9299a102..68cb24ac 100644
--- a/helpers/mdn_helper.py
+++ b/helpers/mdn_helper.py
@@ -129,10 +129,3 @@ def save_mdn_rules(rules):
     with open(file_path, 'w', encoding='utf-8') as outfile:
         json.dump(rules, outfile, indent=4)
     return rules
-
-
-"""
-If file is executed on itself then call a definition, mostly for testing purposes
-"""
-if __name__ == '__main__':
-    main(sys.argv[1:])
diff --git a/helpers/update_software_helper.py b/helpers/update_software_helper.py
index 8de3a9a9..8f8b47c5 100644
--- a/helpers/update_software_helper.py
+++ b/helpers/update_software_helper.py
@@ -1202,10 +1202,3 @@ def get_apache_httpd_versions():
     for version in versions:
         versions_dict[version] = []
     return versions_dict
-
-
-"""
-If file is executed on itself then call a definition, mostly for testing purposes
-"""
-if __name__ == '__main__':
-    main(sys.argv[1:])