diff --git a/package-lock.json b/package-lock.json
index b293a66..3a1b4d9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,17 @@
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@@ -4976,7 +5010,7 @@
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-          "resolved": "http://registry.npmjs.org/uglify-js/-/uglify-js-2.2.5.tgz",
+          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.2.5.tgz",
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@@ -5246,7 +5280,7 @@
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-      "resolved": "http://registry.npmjs.org/winston/-/winston-2.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/winston/-/winston-2.1.1.tgz",
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@@ -5278,7 +5312,7 @@
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-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-1.2.2.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-1.2.2.tgz",
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@@ -5322,44 +5356,30 @@
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-      "integrity": "sha1-K7z7PrM/OoKiGLgiv2craxwg5Tg=",
+      "version": "2.1.3",
+      "resolved": "http://registry.npmjs.org/xml-crypto/-/xml-crypto-2.1.3.tgz",
+      "integrity": "sha512-MpXZwnn9JK0mNPZ5mnFIbNnQa+8lMGK4NtnX2FlJMfMWR60sJdFO9X72yO6ji068pxixzk53O7x0/iSKh6IhyQ==",
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-          "integrity": "sha1-Yx/Ad3bv2EEYvyUXGzftTQdaCrw="
-        }
+        "@xmldom/xmldom": "^0.7.0",
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-      "resolved": "https://registry.npmjs.org/xml-encryption/-/xml-encryption-0.7.4.tgz",
-      "integrity": "sha1-Qnkexk1VbSRV3LnaClQSNmWsZcc=",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/xml-encryption/-/xml-encryption-1.3.0.tgz",
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-          "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E="
-        }
+        "@xmldom/xmldom": "^0.7.0",
+        "escape-html": "^1.0.3",
+        "node-forge": "^0.10.0",
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@@ -5368,39 +5388,25 @@
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-          "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0="
+          "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0=",
+          "dev": true
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     "xmlbuilder": {
-      "version": "2.5.2",
-      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-2.5.2.tgz",
-      "integrity": "sha1-WriPxQirL/FIcwELVhY9P5KxkyU=",
-      "requires": {
-        "lodash": "3.2.0"
-      },
-      "dependencies": {
-        "lodash": {
-          "version": "3.2.0",
-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.2.0.tgz",
-          "integrity": "sha1-S/UKMkP5rrC6xBpV09WZBnWkYvs="
-        }
-      }
+      "version": "15.1.1",
+      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-15.1.1.tgz",
+      "integrity": "sha512-yMqGBqtXyeN1e3TGYvgNgDVZ3j84W4cwkOXQswghol6APgZWaff9lnbvN7MHYJOiXsvGPXtjTYJEiC9J2wv9Eg=="
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-      "resolved": "https://registry.npmjs.org/xmldom/-/xmldom-0.1.27.tgz",
-      "integrity": "sha1-1QH5ezvbQDr4757MIFcxh6rawOk="
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/xmldom/-/xmldom-0.6.0.tgz",
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-      "resolved": "https://registry.npmjs.org/xpath/-/xpath-0.0.5.tgz",
-      "integrity": "sha1-RUA29u8PPfWvXUukoRn7dWdLPmw="
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-    "xpath.js": {
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+      "version": "0.0.32",
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diff --git a/package.json b/package.json
index 01aad66..7bb6f47 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "passport-local-mongoose": "3.1.x",
     "passport-lti": "*",
     "passport-oauth2": "1.4.0",
-    "passport-saml": "0.15.x",
+    "passport-saml": "3.1.x",
     "path-to-regexp": "^1.2.x",
     "q": "*",
     "redis": "*",