diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index 4f3ea37..87e5b4e 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    bigdecimal (4.1.2)
+    bigdecimal (4.1.3)
     diff-lcs (1.6.2)
     rspec (3.13.2)
       rspec-core (~> 3.13.0)