diff --git a/package.json b/package.json
index 47022e4..54b8ccb 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "webpack": "^3.3.0"
   },
   "dependencies": {
-    "aws-sdk": "^2.437.0",
+    "aws-sdk": "^2.814.0",
     "ethereumjs-util": "^6.0.0",
     "ethers": "^4.0.27",
     "jsbi-utils": "^1.0.1",
diff --git a/yarn.lock b/yarn.lock
index 30f8e5e..4b0aac6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -368,14 +368,14 @@ 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@^2.437.0:
-  version "2.437.0"
-  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.437.0.tgz#94e41a2ff112aa020ddbe4950dd5f73187889b8b"
-  integrity sha512-sDZb5QBOO6FOMvuKDEdO16YQRk0WUhnQd38EaSt0yUCi4Gev8uypODyYONgODZcXe8Cr1GMwC8scUKr00S/I5w==
+aws-sdk@^2.437.0, 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 "1.1.8"
+    ieee754 "1.1.13"
     jmespath "0.15.0"
     querystring "0.2.0"
     sax "1.2.1"
@@ -680,10 +680,10 @@ 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, buffer@^4.3.0:
-  version "4.9.1"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
-  integrity sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=
+buffer@4.9.2, buffer@^4.3.0:
+  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"
@@ -2662,12 +2662,7 @@ idna-uts46-hx@^2.3.1:
   dependencies:
     punycode "2.1.0"
 
-ieee754@1.1.8:
-  version "1.1.8"
-  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
-  integrity sha1-vjPUCsEO8ZJnAfbwii2G+/0a0+Q=
-
-ieee754@^1.1.4:
+ieee754@1.1.13, ieee754@^1.1.4:
   version "1.1.13"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
   integrity sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg==