diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5c43fbd32a..70cdfba9dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,13 @@
 From version 2.6.0, the sections in this file adhere to the [keep a changelog](https://keepachangelog.com/en/1.0.0/) specification.
 ## [Unreleased]
+
+### Added
 * [#1609](https://github.com/Shopify/shopify-cli/pull/1609): Add `--bind=HOST` option to `shopify theme serve`.
 
+### Fixed
+* [#1678](https://github.com/Shopify/shopify-cli/pull/1678): Fix migrator's incompatibility with Ruby 2.5.
+### Changed
+* [#1678](https://github.com/Shopify/shopify-cli/pull/1678): Change the `@shopify/scripts-checkout-apis-temp` package name to `@shopify/scripts-discount-apis`.
 ## Version 2.6.5
 ### Fixed
 * [#1661](https://github.com/Shopify/shopify-cli/pull/1661): Handle npm list non-zero exit status when pushing scripts
diff --git a/lib/project_types/script/config/extension_points.yml b/lib/project_types/script/config/extension_points.yml
index 0fbb030b28..96e1a634f8 100644
--- a/lib/project_types/script/config/extension_points.yml
+++ b/lib/project_types/script/config/extension_points.yml
@@ -50,5 +50,5 @@ discount_types:
   libraries:
     typescript:
       beta: true
-      package: "@shopify/scripts-checkout-apis-temp"
+      package: "@shopify/scripts-discount-apis"
       repo: "https://github.com/Shopify/scripts-apis-examples"
diff --git a/lib/shopify_cli/migrator.rb b/lib/shopify_cli/migrator.rb
index 33698bf1c2..14fea1a436 100644
--- a/lib/shopify_cli/migrator.rb
+++ b/lib/shopify_cli/migrator.rb
@@ -9,23 +9,21 @@ def self.migrate(
       migrations_directory: File.expand_path("migrator/migrations", __dir__)
     )
       baseline_date = last_migration_date
-      unless baseline_date.nil?        
-        migrations = migrations(migrations_directory: migrations_directory)
-          .select { |m| 
-            m.date > baseline_date.to_i 
-          }
-          .each { |m| m.run }
+      unless baseline_date.nil?
+        migrations(migrations_directory: migrations_directory)
+          .select do |m|
+            m.date > baseline_date.to_i
+          end
+          .each(&:run)
       end
 
       store_last_migration_date
     end
 
-    private
-
     def self.store_last_migration_date
       ShopifyCLI::DB.set(ShopifyCLI::Constants::StoreKeys::LAST_MIGRATION_DATE => Time.now.to_i)
     end
-    
+
     def self.last_migration_date
       ShopifyCLI::DB.get(ShopifyCLI::Constants::StoreKeys::LAST_MIGRATION_DATE)
     end
@@ -35,7 +33,7 @@ def self.migrations(migrations_directory:)
         file_name = File.basename(file_path).gsub(".rb", "")
         file_name_components = file_name.split("_")
         date_timestamp = file_name_components[0].to_i
-        migration_name = file_name_components[1...].join("_")
+        migration_name = file_name_components.drop(1).join("_")
 
         Migrator::Migration.new(
           name: migration_name,
@@ -45,4 +43,4 @@ def self.migrations(migrations_directory:)
       end
     end
   end
-end
\ No newline at end of file
+end