diff --git a/javascript/packages/config/package.json b/javascript/packages/config/package.json
index 1c25cefa..bc716c5e 100644
--- a/javascript/packages/config/package.json
+++ b/javascript/packages/config/package.json
@@ -37,7 +37,7 @@
   },
   "devDependencies": {
     "@types/picomatch": "^4.0.2",
-    "zod": "^4.1.13",
+    "zod": "^4.3.5",
     "zod-validation-error": "^5.0.0"
   },
   "files": [
diff --git a/yarn.lock b/yarn.lock
index ac7d0c8b..b817b194 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10817,10 +10817,10 @@ zod-validation-error@^5.0.0:
   resolved "https://registry.yarnpkg.com/zod-validation-error/-/zod-validation-error-5.0.0.tgz#96db948070b7bfcb13bfec5134113e580f9eee38"
   integrity sha512-hmk+pkyKq7Q71PiWVSDUc3VfpzpvcRHZ3QPw9yEMVvmtCekaMeOHnbr3WbxfrgEnQTv6haGP4cmv0Ojmihzsxw==
 
-zod@^4.1.13, zod@^4.1.8:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/zod/-/zod-4.2.1.tgz#07f0388c7edbfd5f5a2466181cb4adf5b5dbd57b"
-  integrity sha512-0wZ1IRqGGhMP76gLqz8EyfBXKk0J2qo2+H3fi4mcUP/KtTocoX08nmIAHl1Z2kJIZbZee8KOpBCSNPRgauucjw==
+zod@^4.1.8, zod@^4.3.5:
+  version "4.3.5"
+  resolved "https://registry.yarnpkg.com/zod/-/zod-4.3.5.tgz#aeb269a6f9fc259b1212c348c7c5432aaa474d2a"
+  integrity sha512-k7Nwx6vuWx1IJ9Bjuf4Zt1PEllcwe7cls3VNzm4CQ1/hgtFUK2bRNG3rvnpPUhFjmqJKAKtjV576KnUkHocg/g==
 
 zwitch@^2.0.0, zwitch@^2.0.4:
   version "2.0.4"