diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index 306b70d821cb0af889be288502a4dc29fd7654f0..b90d87d04ba3a164a493c851f784b21f1ef0ce54 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -28,7 +28,7 @@ GEM
     ast (2.4.0)
     binding_ninja (0.2.3)
     builder (3.2.3)
-    charlock_holmes (0.7.6)
+    charlock_holmes (0.7.7)
     coderay (1.1.2)
     concord (0.1.5)
       adamantium (~> 0.2.0)