diff --git a/Gemfile.lock b/Gemfile.lock
index 5610a3c..f092060 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,6 +10,7 @@ GEM
   specs:
     addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
+    bigdecimal (4.1.2)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     curb (0.9.8)
@@ -17,7 +18,10 @@ GEM
     metaclass (0.0.4)
     mocha (1.9.0)
       metaclass (~> 0.0.1)
-    oj (3.14.3)
+    oj (3.17.3)
+      bigdecimal (>= 3.0)
+      ostruct (>= 0.2)
+    ostruct (0.6.3)
     power_assert (1.1.4)
     public_suffix (4.0.6)
     rake (13.0.3)