Gemfile.lock in touch_erb-0.3.1 vs Gemfile.lock in touch_erb-0.4.0

@@ -1,16 +1,25 @@
 PATH
   remote: .
   specs:
-    touch_erb (0.3.1)
+    touch_erb (0.4.0)
+      activesupport
       thor (~> 0.20)
 
 GEM
   remote: https://rubygems.org/
   specs:
+    activesupport (5.2.2.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
     ansi (1.5.0)
     builder (3.2.3)
+    concurrent-ruby (1.1.5)
+    i18n (1.6.0)
+      concurrent-ruby (~> 1.0)
     minitest (5.11.3)
     minitest-power_assert (0.3.0)
       minitest
       power_assert (>= 1.1)
     minitest-reporters (1.3.6)
@@ -20,9 +29,12 @@
       ruby-progressbar
     power_assert (1.1.3)
     rake (12.3.2)
     ruby-progressbar (1.10.0)
     thor (0.20.3)
+    thread_safe (0.3.6)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES