diff --git a/yarn.lock b/yarn.lock
index 4fc075f..bd2b608 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -439,7 +439,7 @@
 
 "@types/node@6.0.41":
   version "6.0.41"
-  resolved "http://registry.npmjs.org/@types/node/-/node-6.0.41.tgz#578cf53aaec65887bcaf16792f8722932e8ff8ea"
+  resolved "https://registry.npmjs.org/@types/node/-/node-6.0.41.tgz#578cf53aaec65887bcaf16792f8722932e8ff8ea"
 
 "@types/node@^7.0.22":
   version "7.0.46"
@@ -981,6 +981,10 @@ base64id@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/base64id/-/base64id-1.0.0.tgz#47688cb99bb6804f0e06d3e763b1c32e57d8e6b6"
 
+base64url@3.x.x:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/base64url/-/base64url-3.0.1.tgz#6399d572e2bc3f90a9a8b22d5dbb0a32d33f788d"
+
 base@^0.11.1:
   version "0.11.2"
   resolved "https://registry.yarnpkg.com/base/-/base-0.11.2.tgz#7bde5ced145b6d551a90db87f83c558b4eb48a8f"
@@ -5547,9 +5551,10 @@ passport-http@^0.3.0:
     passport-strategy "1.x.x"
 
 passport-oauth2@1.x.x:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/passport-oauth2/-/passport-oauth2-1.4.0.tgz#f62f81583cbe12609be7ce6f160b9395a27b86ad"
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/passport-oauth2/-/passport-oauth2-1.6.1.tgz#c5aee8f849ce8bd436c7f81d904a3cd1666f181b"
   dependencies:
+    base64url "3.x.x"
     oauth "0.9.x"
     passport-strategy "1.x.x"
     uid2 "0.0.x"
@@ -7937,8 +7942,8 @@ uid-safe@~2.1.5:
     random-bytes "~1.0.0"
 
 uid2@0.0.x:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/uid2/-/uid2-0.0.3.tgz#483126e11774df2f71b8b639dcd799c376162b82"
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/uid2/-/uid2-0.0.4.tgz#033f3b1d5d32505f5ce5f888b9f3b667123c0a44"
 
 uid@0.0.2:
   version "0.0.2"