diff --git a/shard.yml b/shard.yml
index ab25306..226456c 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,10 +1,10 @@
 name: carbon
-version: 0.4.1
+version: 0.4.2
 
 authors:
   - Paul Smith <paulcsmith0218@gmail.com>
 
-crystal: ">= 1.4.0"
+crystal: ~> 1.4
 
 license: MIT
 
@@ -15,16 +15,16 @@ targets:
 dependencies:
   habitat:
     github: luckyframework/habitat
-    version: ~> 0.4.8
+    version: ">= 0.4.7, < 0.5"
   lucky_task:
     github: luckyframework/lucky_task
-    version: ~> 0.3.0
+    version: ">= 0.1.1, < 0.4"
   lucky_template:
     github: luckyframework/lucky_template
-    version: ~> 0.2.0
+    version: ">= 0.2.0, < 0.3"
   wordsmith:
     github: luckyframework/wordsmith
-    version: ~> 0.4.0
+    version: ">= 0.4.0, < 0.5"
 
 development_dependencies:
   lucky_env:
diff --git a/src/carbon/tasks/gen/email.cr b/src/carbon/tasks/gen/email.cr
index d18d20f..4ab0ded 100644
--- a/src/carbon/tasks/gen/email.cr
+++ b/src/carbon/tasks/gen/email.cr
@@ -32,15 +32,22 @@ end
 
 class Gen::Email < LuckyTask::Task
   include LuckyTask::TextHelpers
+
   summary "Generate a new Email"
-  help_message <<-TEXT
-  Generate a new email with html and text formats.
-  The email name must be CamelCase. No other options are available.
-  Examples:
-    lucky gen.email WelcomeUser
-    lucky gen.email SubscriptionRenewed
-    lucky gen.email ResetPassword
-  TEXT
+
+  {% begin %}
+    {% lt_0_3_0 = compare_versions(LuckyTask::VERSION, "0.3.0") < 0 %}
+    {% if lt_0_3_0 %}def help_message{% else %}help_message({% end %}
+      <<-TEXT
+      Generate a new email with html and text formats.
+      The email name must be CamelCase. No other options are available.
+      Examples:
+        lucky gen.email WelcomeUser
+        lucky gen.email SubscriptionRenewed
+        lucky gen.email ResetPassword
+      TEXT
+    {% if lt_0_3_0 %}end{% else %}){% end %}
+  {% end %}
 
   positional_arg :email_name, "The name of the email", format: /^[A-Z]/