diff --git a/package-lock.json b/package-lock.json
index b44926d..134a086 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
       "devDependencies": {
         "@aws-sdk/credential-provider-env": "^3.972.38",
         "@biomejs/biome": "2.4.15",
-        "@smithy/property-provider": "^4.3.1",
+        "@smithy/property-provider": "^4.3.3",
         "@types/node": "^25.9.0",
         "@vitest/coverage-v8": "^4.1.6",
         "aws-sdk-client-mock": "^4.1.0",
@@ -2897,12 +2897,12 @@
       }
     },
     "node_modules/@smithy/property-provider": {
-      "version": "4.3.1",
-      "resolved": "https://registry.npmjs.org/@smithy/property-provider/-/property-provider-4.3.1.tgz",
-      "integrity": "sha512-3NHoqVBhzpY2b4YBx9AqyKC4C8nnEjl5FyKuxrCjvnjinG0ODj+yg1xX360nNahT6wghYjSw1SooCt3kIdnqIA==",
+      "version": "4.3.3",
+      "resolved": "https://registry.npmjs.org/@smithy/property-provider/-/property-provider-4.3.3.tgz",
+      "integrity": "sha512-nmeVi9Ww/RMyttqj1Dh0PA+iVieKm4dxDlnT6tNP118O/5U/Qqb9b3DV5A3RX+slR/m4/MABSZ2zNfSkpVV8dw==",
       "license": "Apache-2.0",
       "dependencies": {
-        "@smithy/core": "^3.24.1",
+        "@smithy/core": "^3.24.3",
         "tslib": "^2.6.2"
       },
       "engines": {
diff --git a/package.json b/package.json
index 53ffc0a..dca5b2b 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "devDependencies": {
     "@aws-sdk/credential-provider-env": "^3.972.38",
     "@biomejs/biome": "2.4.15",
-    "@smithy/property-provider": "^4.3.1",
+    "@smithy/property-provider": "^4.3.3",
     "@types/node": "^25.9.0",
     "@vitest/coverage-v8": "^4.1.6",
     "aws-sdk-client-mock": "^4.1.0",