diff --git a/package-lock.json b/package-lock.json
index d30225f..42328ca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -86,6 +86,11 @@
       "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
       "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY="
     },
+    "base64url": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/base64url/-/base64url-3.0.1.tgz",
+      "integrity": "sha512-ir1UPr3dkwexU7FdV8qBBbNDRUhMmIekYMFZfi+C/sLNnRESKPl23nB9b2pltqfOQNnGzsDdId90AEtG5tCx4A=="
+    },
     "bcryptjs": {
       "version": "2.4.3",
       "resolved": "https://registry.npmjs.org/bcryptjs/-/bcryptjs-2.4.3.tgz",
@@ -829,14 +834,22 @@
       }
     },
     "passport-oauth2": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/passport-oauth2/-/passport-oauth2-1.4.0.tgz",
-      "integrity": "sha1-9i+BWDy+EmCb585vFguTlaJ7hq0=",
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/passport-oauth2/-/passport-oauth2-1.8.0.tgz",
+      "integrity": "sha512-cjsQbOrXIDE4P8nNb3FQRCCmJJ/utnFKEz2NX209f7KOHPoX18gF7gBzBbLLsj2/je4KrgiwLLGjf0lm9rtTBA==",
       "requires": {
-        "oauth": "0.9.x",
+        "base64url": "3.x.x",
+        "oauth": "0.10.x",
         "passport-strategy": "1.x.x",
         "uid2": "0.0.x",
         "utils-merge": "1.x.x"
+      },
+      "dependencies": {
+        "oauth": {
+          "version": "0.10.2",
+          "resolved": "https://registry.npmjs.org/oauth/-/oauth-0.10.2.tgz",
+          "integrity": "sha512-JtFnB+8nxDEXgNyniwz573xxbKSOu3R8D40xQKqcjwJ2CDkYqUDI53o6IuzDJBx60Z8VKCm271+t8iFjakrl8Q=="
+        }
       }
     },
     "passport-strategy": {
diff --git a/package.json b/package.json
index a5010da..56422b4 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "passport-dropbox-oauth2": "^1.1.0",
     "passport-google-oauth20": "^1.0.0",
     "passport-local": "^1.0.0",
-    "passport-oauth2": "^1.4.0",
+    "passport-oauth2": "^1.8.0",
     "socket.io": "^2.2.0"
   }
 }