diff --git a/clients/js-legacy/package.json b/clients/js-legacy/package.json
index e99d389..c4d3d96 100644
--- a/clients/js-legacy/package.json
+++ b/clients/js-legacy/package.json
@@ -41,7 +41,7 @@
         "@solana/web3.js": "^1.95.5"
     },
     "dependencies": {
-        "@solana/codecs-numbers": "^5.3.0"
+        "@solana/codecs-numbers": "^5.4.0"
     },
     "devDependencies": {
         "@solana/prettier-config-solana": "0.0.6",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 225f636..c711346 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -56,8 +56,8 @@ importers:
   clients/js-legacy:
     dependencies:
       '@solana/codecs-numbers':
-        specifier: ^5.3.0
-        version: 5.3.0(typescript@5.9.3)
+        specifier: ^5.4.0
+        version: 5.4.0(typescript@5.9.3)
       '@solana/web3.js':
         specifier: ^1.95.5
         version: 1.98.4(bufferutil@4.0.9)(typescript@5.9.3)(utf-8-validate@5.0.10)