diff --git a/Gemfile.lock b/Gemfile.lock
index 7e34c3a..6d3beb5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
       rake
       thor (>= 0.14.0)
     ast (2.4.2)
-    bump (0.6.1)
+    bump (0.10.0)
     coderay (1.1.3)
     concurrent-ruby (1.1.10)
     diff-lcs (1.5.0)