diff --git a/shard.lock b/shard.lock
index 77c29ce..32b9985 100644
--- a/shard.lock
+++ b/shard.lock
@@ -16,6 +16,10 @@ shards:
     git: https://github.com/cadmiumcr/transliterator.git
     version: 0.1.0+git.commit.46c4c14594057dbcfaf27e7e7c8c164d3f0ce3f1
 
+  carbon:
+    git: https://github.com/luckyframework/carbon.git
+    version: 0.3.0
+
   cry:
     git: https://github.com/luckyframework/cry.git
     version: 0.4.3
diff --git a/shard.yml b/shard.yml
index a5cda11..c8362d6 100644
--- a/shard.yml
+++ b/shard.yml
@@ -26,6 +26,9 @@ dependencies:
   lucky_task:
     github: luckyframework/lucky_task
     version: ~> 0.1.1
+  carbon:
+    github: luckyframework/carbon
+    version: ~> 0.3.0
   monads:
     github: alex-lairan/monads
 development_dependencies: