diff --git a/example/Gemfile.lock b/example/Gemfile.lock
index 6fbcc98..4e080fe 100644
--- a/example/Gemfile.lock
+++ b/example/Gemfile.lock
@@ -25,7 +25,7 @@ GEM
     atomos (0.1.3)
     base64 (0.3.0)
     benchmark (0.4.1)
-    bigdecimal (3.3.1)
+    bigdecimal (4.0.1)
     claide (1.1.0)
     cocoapods (1.15.2)
       addressable (~> 2.8)