diff --git a/Gemfile.lock b/Gemfile.lock
index 8eb6f33..2fdb16f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     base64 (0.2.0)
-    bigdecimal (3.1.7)
+    bigdecimal (3.1.8)
     coffee-script (2.4.1)
       coffee-script-source
       execjs