Gemfile.lock in defra_ruby_template-3.13.0 vs Gemfile.lock in defra_ruby_template-3.15.0

@@ -1,19 +1,42 @@
 PATH
   remote: .
   specs:
-    defra_ruby_template (3.13.0)
+    defra_ruby_template (3.15.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
+    ast (2.4.2)
+    defra_ruby_style (0.2.2)
+      rubocop (~> 0.82)
+    parallel (1.20.1)
+    parser (3.0.2.0)
+      ast (~> 2.4.1)
+    rainbow (3.0.0)
     rake (12.3.3)
+    regexp_parser (2.1.1)
+    rexml (3.2.5)
+    rubocop (0.93.1)
+      parallel (~> 1.10)
+      parser (>= 2.7.1.5)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8)
+      rexml
+      rubocop-ast (>= 0.6.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 2.0)
+    rubocop-ast (1.4.1)
+      parser (>= 2.7.1.5)
+    ruby-progressbar (1.11.0)
+    unicode-display_width (1.7.0)
 
 PLATFORMS
   ruby
   x86_64-linux
 
 DEPENDENCIES
+  defra_ruby_style
   defra_ruby_template!
   rake (~> 12.0)
 
 BUNDLED WITH
    2.2.20