diff --git a/src/typescript/package-lock.json b/src/typescript/package-lock.json
index 40222fbd..fb56031c 100644
--- a/src/typescript/package-lock.json
+++ b/src/typescript/package-lock.json
@@ -15,7 +15,7 @@
         "@aws-sdk/protocol-http": "^3.374.0",
         "@aws-sdk/types": "^3.840.0",
         "@modelcontextprotocol/sdk": "^1.20.0",
-        "@smithy/signature-v4": "^5.3.0",
+        "@smithy/signature-v4": "^5.3.3",
         "winston": "^3.17.0"
       },
       "devDependencies": {
@@ -2485,12 +2485,12 @@
       }
     },
     "node_modules/@smithy/protocol-http": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/@smithy/protocol-http/-/protocol-http-5.3.0.tgz",
-      "integrity": "sha512-6POSYlmDnsLKb7r1D3SVm7RaYW6H1vcNcTWGWrF7s9+2noNYvUsm7E4tz5ZQ9HXPmKn6Hb67pBDRIjrT4w/d7Q==",
+      "version": "5.3.3",
+      "resolved": "https://registry.npmjs.org/@smithy/protocol-http/-/protocol-http-5.3.3.tgz",
+      "integrity": "sha512-Mn7f/1aN2/jecywDcRDvWWWJF4uwg/A0XjFMJtj72DsgHTByfjRltSqcT9NyE9RTdBSN6X1RSXrhn/YWQl8xlw==",
       "license": "Apache-2.0",
       "dependencies": {
-        "@smithy/types": "^4.6.0",
+        "@smithy/types": "^4.8.0",
         "tslib": "^2.6.2"
       },
       "engines": {
@@ -2550,16 +2550,16 @@
       }
     },
     "node_modules/@smithy/signature-v4": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/@smithy/signature-v4/-/signature-v4-5.3.0.tgz",
-      "integrity": "sha512-MKNyhXEs99xAZaFhm88h+3/V+tCRDQ+PrDzRqL0xdDpq4gjxcMmf5rBA3YXgqZqMZ/XwemZEurCBQMfxZOWq/g==",
+      "version": "5.3.3",
+      "resolved": "https://registry.npmjs.org/@smithy/signature-v4/-/signature-v4-5.3.3.tgz",
+      "integrity": "sha512-CmSlUy+eEYbIEYN5N3vvQTRfqt0lJlQkaQUIf+oizu7BbDut0pozfDjBGecfcfWf7c62Yis4JIEgqQ/TCfodaA==",
       "license": "Apache-2.0",
       "dependencies": {
         "@smithy/is-array-buffer": "^4.2.0",
-        "@smithy/protocol-http": "^5.3.0",
-        "@smithy/types": "^4.6.0",
+        "@smithy/protocol-http": "^5.3.3",
+        "@smithy/types": "^4.8.0",
         "@smithy/util-hex-encoding": "^4.2.0",
-        "@smithy/util-middleware": "^4.2.0",
+        "@smithy/util-middleware": "^4.2.3",
         "@smithy/util-uri-escape": "^4.2.0",
         "@smithy/util-utf8": "^4.2.0",
         "tslib": "^2.6.2"
@@ -2587,9 +2587,9 @@
       }
     },
     "node_modules/@smithy/types": {
-      "version": "4.6.0",
-      "resolved": "https://registry.npmjs.org/@smithy/types/-/types-4.6.0.tgz",
-      "integrity": "sha512-4lI9C8NzRPOv66FaY1LL1O/0v0aLVrq/mXP/keUa9mJOApEeae43LsLd2kZRUJw91gxOQfLIrV3OvqPgWz1YsA==",
+      "version": "4.8.0",
+      "resolved": "https://registry.npmjs.org/@smithy/types/-/types-4.8.0.tgz",
+      "integrity": "sha512-QpELEHLO8SsQVtqP+MkEgCYTFW0pleGozfs3cZ183ZBj9z3VC1CX1/wtFMK64p+5bhtZo41SeLK1rBRtd25nHQ==",
       "license": "Apache-2.0",
       "dependencies": {
         "tslib": "^2.6.2"
@@ -2735,12 +2735,12 @@
       }
     },
     "node_modules/@smithy/util-middleware": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/@smithy/util-middleware/-/util-middleware-4.2.0.tgz",
-      "integrity": "sha512-u9OOfDa43MjagtJZ8AapJcmimP+K2Z7szXn8xbty4aza+7P1wjFmy2ewjSbhEiYQoW1unTlOAIV165weYAaowA==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/@smithy/util-middleware/-/util-middleware-4.2.3.tgz",
+      "integrity": "sha512-v5ObKlSe8PWUHCqEiX2fy1gNv6goiw6E5I/PN2aXg3Fb/hse0xeaAnSpXDiWl7x6LamVKq7senB+m5LOYHUAHw==",
       "license": "Apache-2.0",
       "dependencies": {
-        "@smithy/types": "^4.6.0",
+        "@smithy/types": "^4.8.0",
         "tslib": "^2.6.2"
       },
       "engines": {
diff --git a/src/typescript/package.json b/src/typescript/package.json
index 1a57f345..efda6257 100644
--- a/src/typescript/package.json
+++ b/src/typescript/package.json
@@ -61,7 +61,7 @@
     "@aws-sdk/protocol-http": "^3.374.0",
     "@aws-sdk/types": "^3.840.0",
     "@modelcontextprotocol/sdk": "^1.20.0",
-    "@smithy/signature-v4": "^5.3.0",
+    "@smithy/signature-v4": "^5.3.3",
     "winston": "^3.17.0"
   }
 }