diff --git a/shard.lock b/shard.lock
index c0479c7c..602ae042 100644
--- a/shard.lock
+++ b/shard.lock
@@ -2,5 +2,5 @@ version: 1.0
 shards:
   minitest:
     github: ysbaddaden/minitest.cr
-    version: 0.3.0
+    version: 0.3.1