diff --git a/Gemfile.lock b/Gemfile.lock
index 5069f80..7665a01 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     base64 (0.3.0)
-    bigdecimal (3.3.1)
+    bigdecimal (4.0.0)
     colorator (1.1.0)
     commonmarker (0.23.6)
     concurrent-ruby (1.3.5)