diff --git a/Gemfile.lock b/Gemfile.lock
index 7e79584..62bd945 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,7 +76,7 @@ GEM
       tzinfo (~> 2.0, >= 2.0.5)
       uri (>= 0.13.1)
     base64 (0.3.0)
-    bigdecimal (3.3.1)
+    bigdecimal (4.1.3)
     bls12-381 (0.4.0)
       bigdecimal
       h2c (>= 0.2.1, < 0.3)
@@ -97,9 +97,9 @@ GEM
     ecdsa (1.2.0)
     erb (6.0.7)
     erubi (1.13.1)
-    eth (0.5.17)
+    eth (0.5.18)
       base64 (~> 0.1)
-      bigdecimal (~> 3.1)
+      bigdecimal (>= 3.1, < 5.0)
       bls12-381 (~> 0.3)
       forwardable (~> 1.3)
       httpx (~> 1.6)