diff --git a/Gemfile.lock b/Gemfile.lock
index 4facc82..f05e659 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -27,7 +27,7 @@ GEM
     ast (2.4.3)
     base64 (0.3.0)
     benchmark (0.5.0)
-    bigdecimal (3.2.3)
+    bigdecimal (4.0.1)
     concurrent-ruby (1.3.6)
     connection_pool (3.0.2)
     diff-lcs (1.6.2)
@@ -166,7 +166,7 @@ CHECKSUMS
   ast (2.4.3) sha256=954615157c1d6a382bc27d690d973195e79db7f55e9765ac7c481c60bdb4d383
   base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
   benchmark (0.5.0) sha256=465df122341aedcb81a2a24b4d3bd19b6c67c1530713fd533f3ff034e419236c
-  bigdecimal (3.2.3) sha256=ffd11d1ac67a0d3b2f44aec0a6487210b3f813f363dd11f1fcccf5ba00da4e1b
+  bigdecimal (4.0.1) sha256=8b07d3d065a9f921c80ceaea7c9d4ae596697295b584c296fe599dd0ad01c4a7
   concurrent-ruby (1.3.6) sha256=6b56837e1e7e5292f9864f34b69c5a2cbc75c0cf5338f1ce9903d10fa762d5ab
   connection_pool (3.0.2) sha256=33fff5ba71a12d2aa26cb72b1db8bba2a1a01823559fb01d29eb74c286e62e0a
   diff-lcs (1.6.2) sha256=9ae0d2cba7d4df3075fe8cd8602a8604993efc0dfa934cff568969efb1909962