diff --git a/package.json b/package.json
index 2036608a..5e1d5b3d 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "assert": "1.4.1",
-    "aws-sdk": "^2.283.1",
+    "aws-sdk": "^2.814.0",
     "axios": "^0.19.0",
     "bip39": "^2.5.0",
     "body-parser": "1.18.2",
diff --git a/yarn.lock b/yarn.lock
index 993d9cb4..eea3bffc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -390,12 +390,12 @@ atob@^2.1.1:
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
-aws-sdk@^2.283.1:
-  version "2.559.0"
-  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.559.0.tgz#2f39dad7428839b4fc7a87f943eef1c94a110aec"
-  integrity sha512-hRbomjpfj+rSaWYO/FHRqMMRw0TubZlqQXDbghgEvdJzQGZJfduJqckUgtAvDX0TGnLj2mKkGp3bqtwCfSH5sg==
+aws-sdk@^2.814.0:
+  version "2.814.0"
+  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.814.0.tgz#7a1c36006e0b5826f14bd2511b1d229ef6814bb0"
+  integrity sha512-empd1m/J/MAkL6d9OeRpmg9thobULu0wk4v8W3JToaxGi2TD7PIdvE6yliZKyOVAdJINhBWEBhxR4OUIHhcGbQ==
   dependencies:
-    buffer "4.9.1"
+    buffer "4.9.2"
     events "1.1.1"
     ieee754 "1.1.13"
     jmespath "0.15.0"
@@ -1410,10 +1410,10 @@ buffer-xor@^1.0.3:
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
   integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
 
-buffer@4.9.1:
-  version "4.9.1"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
-  integrity sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=
+buffer@4.9.2:
+  version "4.9.2"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-4.9.2.tgz#230ead344002988644841ab0244af8c44bbe3ef8"
+  integrity sha512-xq+q3SRMOxGivLhBNaUdC64hDTQwejJ+H0T/NB1XMtTVEwNTrfFF3gAxiyW0Bu/xWEGhjVKgUcMhCrUy2+uCWg==
   dependencies:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"