Gemfile.lock in platon-0.2.7 vs Gemfile.lock in platon-0.2.9

@@ -1,9 +1,9 @@
 PATH
   remote: .
   specs:
-    platon (0.2.6)
+    platon (0.2.8)
       activesupport (>= 4.0)
       digest-sha3 (~> 1.1)
       ffi (~> 1.0)
       money-tree (= 0.10.0)
       rlp (= 0.7.3)
@@ -16,10 +16,10 @@
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     coderay (1.1.3)
-    concurrent-ruby (1.1.8)
+    concurrent-ruby (1.1.9)
     diff-lcs (1.4.4)
     digest-sha3 (1.1.0)
     ffi (1.15.1)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)