diff --git a/shard.lock b/shard.lock
index b3355f2..36d58a3 100644
--- a/shard.lock
+++ b/shard.lock
@@ -6,5 +6,5 @@ shards:
 
   priority-queue:
     git: https://github.com/spider-gazelle/priority-queue.git
-    version: 1.1.1
+    version: 1.1.2