diff --git a/Gemfile.lock b/Gemfile.lock
index c976814..1a86ebb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
       rake
       thor (>= 0.14.0)
     builder (3.2.4)
-    bump (0.6.1)
+    bump (0.9.0)
     byebug (10.0.2)
     coderay (1.1.2)
     concurrent-ruby (1.1.6)