diff --git a/contrib/serverless/yarn.lock b/contrib/serverless/yarn.lock
index 1d8017c..28b3a5a 100644
--- a/contrib/serverless/yarn.lock
+++ b/contrib/serverless/yarn.lock
@@ -31,11 +31,11 @@ appdirectory@^0.1.0:
   integrity sha1-62yBYyDnsqsW9e2ZfyjYIF31Y3U=
 
 aws-sdk@^2.402.0:
-  version "2.671.0"
-  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.671.0.tgz#2c6e164a0f540d6fc428c123f2994ac081663ff5"
-  integrity sha512-i83+/TIOLlhAxvV2xVLz5+XGtNqJgQJwP/e8J49rzDkyMV6OE2FgxU8utujGrComrSJFpITqMFqug+ZfdHoLIQ==
+  version "2.1030.0"
+  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.1030.0.tgz#24a856af3d2b8b37c14a8f59974993661c66fd82"
+  integrity sha512-to0STOb8DsSGuSsUb/WCbg/UFnMGfIYavnJH5ZlRCHzvCFjTyR+vfE8ku+qIZvfFM4+5MNTQC/Oxfun2X/TuyA==
   dependencies:
-    buffer "4.9.1"
+    buffer "4.9.2"
     events "1.1.1"
     ieee754 "1.1.13"
     jmespath "0.15.0"
@@ -51,9 +51,9 @@ balanced-match@^1.0.0:
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
 base64-js@^1.0.2:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.1.tgz#58ece8cb75dd07e71ed08c736abc5fac4dbf8df1"
-  integrity sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g==
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
+  integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
 
 bluebird@^3.0.6:
   version "3.7.2"
@@ -68,10 +68,10 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
-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"
@@ -185,11 +185,16 @@ graceful-fs@^4.1.2, graceful-fs@^4.1.6:
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
   integrity sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==
 
-ieee754@1.1.13, ieee754@^1.1.4:
+ieee754@1.1.13:
   version "1.1.13"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
   integrity sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg==
 
+ieee754@^1.1.4:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
+  integrity sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==
+
 immediate@~3.0.5:
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.0.6.tgz#9db1dbd0faf8de6fbe0f5dd5e56bb606280de69b"