diff --git a/Gemfile.lock b/Gemfile.lock
index 2099da1..a63b584 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    vmpooler (3.7.0)
+    vmpooler (3.8.1)
       concurrent-ruby (~> 1.1)
       connection_pool (~> 2.4)
       deep_merge (~> 1.2)