diff --git a/package-lock.json b/package-lock.json
index add0c4a..98d3845 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -47,13 +47,13 @@
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-      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.413.0.tgz",
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+      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.814.0.tgz",
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@@ -73,9 +73,9 @@
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     "base64-js": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
-      "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw=="
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
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@@ -86,9 +86,9 @@
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-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
-      "integrity": "sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=",
+      "version": "4.9.2",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.2.tgz",
+      "integrity": "sha512-xq+q3SRMOxGivLhBNaUdC64hDTQwejJ+H0T/NB1XMtTVEwNTrfFF3gAxiyW0Bu/xWEGhjVKgUcMhCrUy2+uCWg==",
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@@ -264,9 +264,9 @@
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-      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.8.tgz",
-      "integrity": "sha1-vjPUCsEO8ZJnAfbwii2G+/0a0+Q="
+      "version": "1.1.13",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.13.tgz",
+      "integrity": "sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg=="
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diff --git a/package.json b/package.json
index 1067692..e73ebef 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "homepage": "https://github.com/xoor-io/lambda-send-attachment#readme",
   "dependencies": {
     "async": "^2.6.2",
-    "aws-sdk": "^2.413.0",
+    "aws-sdk": "^2.814.0",
     "config": "^3.0.1",
     "node-ses": "^2.2.0",
     "nodemailer": "^2.7.2",