diff --git a/package-lock.json b/package-lock.json
index c9d8405..ebabaac 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -137,31 +137,54 @@
       }
     },
     "@sendgrid/client": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/@sendgrid/client/-/client-6.3.0.tgz",
-      "integrity": "sha512-fTy8vRpA9Whtf8ULQr/0vkSZaQvGQ97rY5N5PrevKRtugJMsJqFMKO0pwzEWeqITSg71aMMTj57QTgw3SjZvnQ==",
+      "version": "6.5.5",
+      "resolved": "https://registry.npmjs.org/@sendgrid/client/-/client-6.5.5.tgz",
+      "integrity": "sha512-Nbfgo94gbWSL8PIgJfuHoifyOJJepvV8NQkkglctAEfb1hyozKhrzE6v1kPG/z4j0RodaTtXD5LJj/t0q/VhLA==",
       "requires": {
-        "@sendgrid/helpers": "^6.3.0",
-        "@types/request": "^2.0.3",
-        "request": "^2.81.0"
+        "@sendgrid/helpers": "^6.5.5",
+        "@types/request": "^2.48.4",
+        "request": "^2.88.0"
+      },
+      "dependencies": {
+        "@types/request": {
+          "version": "2.48.4",
+          "resolved": "https://registry.npmjs.org/@types/request/-/request-2.48.4.tgz",
+          "integrity": "sha512-W1t1MTKYR8PxICH+A4HgEIPuAC3sbljoEVfyZbeFJJDbr30guDspJri2XOaM2E+Un7ZjrihaDi7cf6fPa2tbgw==",
+          "requires": {
+            "@types/caseless": "*",
+            "@types/node": "*",
+            "@types/tough-cookie": "*",
+            "form-data": "^2.5.0"
+          }
+        },
+        "form-data": {
+          "version": "2.5.1",
+          "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.5.1.tgz",
+          "integrity": "sha512-m21N3WOmEEURgk6B9GLOE4RuWOFf28Lhh9qGYeNlGq4VDXUlJy2th2slBNU8Gp8EzloYZOibZJ7t5ecIrFSjVA==",
+          "requires": {
+            "asynckit": "^0.4.0",
+            "combined-stream": "^1.0.6",
+            "mime-types": "^2.1.12"
+          }
+        }
       }
     },
     "@sendgrid/helpers": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/@sendgrid/helpers/-/helpers-6.3.0.tgz",
-      "integrity": "sha512-uTFcmhCDFg/2Uhz+z/cLwyLHH0UsblG49hKwdR7nKbWsGKWv4js7W32FlPdXqy2C/plTJ20vcPLgKM1m3F/MjQ==",
+      "version": "6.5.5",
+      "resolved": "https://registry.npmjs.org/@sendgrid/helpers/-/helpers-6.5.5.tgz",
+      "integrity": "sha512-uRFEanalfss5hDsuzVXZ1wm7i7eEXHh1py80piOXjobiQ+MxmtR19EU+gDSXZ+uMcEehBGhxnb7QDNN0q65qig==",
       "requires": {
         "chalk": "^2.0.1",
-        "deepmerge": "^2.1.1"
+        "deepmerge": "^4.2.2"
       }
     },
     "@sendgrid/mail": {
-      "version": "6.3.1",
-      "resolved": "https://registry.npmjs.org/@sendgrid/mail/-/mail-6.3.1.tgz",
-      "integrity": "sha512-5zIeAV9iU+0hQkrOQ/D4RB2MfpK+lNbOortIfQdCh95aMDF/TRc9WB8FGNhmQrx9YMuJTms5eiBklF0Fi/dbVg==",
+      "version": "6.5.5",
+      "resolved": "https://registry.npmjs.org/@sendgrid/mail/-/mail-6.5.5.tgz",
+      "integrity": "sha512-DSu8oTPI0BJFH60jMOG9gM+oeNMoRALFmdAYg2PIXpL+Zbxd7L2GzQZtmf1jLy/8UBImkbB3D74TjiOBiLRK1w==",
       "requires": {
-        "@sendgrid/client": "^6.3.0",
-        "@sendgrid/helpers": "^6.3.0"
+        "@sendgrid/client": "^6.5.5",
+        "@sendgrid/helpers": "^6.5.5"
       }
     },
     "@types/anymatch": {
@@ -289,6 +312,7 @@
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/@types/form-data/-/form-data-2.2.1.tgz",
       "integrity": "sha512-JAMFhOaHIciYVh8fb5/83nmuO/AHwmto+Hq7a9y8FzLDcC1KCU344XDOMEmahnrTFlHjgh4L0WJFczNIX2GxnQ==",
+      "dev": true,
       "requires": {
         "@types/node": "*"
       }
@@ -341,6 +365,7 @@
       "version": "2.48.1",
       "resolved": "https://registry.npmjs.org/@types/request/-/request-2.48.1.tgz",
       "integrity": "sha512-ZgEZ1TiD+KGA9LiAAPPJL68Id2UWfeSO62ijSXZjFJArVV+2pKcsVHmrcu+1oiE3q6eDGiFiSolRc4JHoerBBg==",
+      "dev": true,
       "requires": {
         "@types/caseless": "*",
         "@types/form-data": "*",
@@ -1959,9 +1984,9 @@
       "dev": true
     },
     "deepmerge": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-2.2.1.tgz",
-      "integrity": "sha512-R9hc1Xa/NOBi9WRVUWg19rl1UB7Tt4kuPd+thNJgFZoxXsTz7ncaPaeIm+40oSGuP33DfMb4sZt1QIGiJzC4EA=="
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.2.2.tgz",
+      "integrity": "sha512-FJ3UgI4gIl+PHZm53knsuSFpE+nESMr7M4v9QcgB7S63Kj/6WqMiFQJpBBYz1Pt+66bZpP3Q7Lye0Oo9MPKEdg=="
     },
     "defaults": {
       "version": "1.0.3",
diff --git a/package.json b/package.json
index 417e2ef..25bcd4f 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
     "version": "1.0.0",
     "author": "Stephen Poole",
     "dependencies": {
-        "@sendgrid/mail": "^6.3.1",
+        "@sendgrid/mail": "^6.5.5",
         "bluebird": "^3.5.3",
         "body-parser": "^1.18.3",
         "celebrate": "^9.0.2",