diff --git a/yarn.lock b/yarn.lock
index b4213f8..e234b2f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -902,6 +902,10 @@ base64url@2.0.0, base64url@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/base64url/-/base64url-2.0.0.tgz#eac16e03ea1438eff9423d69baa36262ed1f70bb"
 
+base64url@3.x.x:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/base64url/-/base64url-3.0.1.tgz#6399d572e2bc3f90a9a8b22d5dbb0a32d33f788d"
+
 bcrypt-pbkdf@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.0.tgz#3ca76b85241c7170bf7d9703e7b9aa74630040d4"
@@ -3666,9 +3670,10 @@ passport-oauth1@1.x.x:
     utils-merge "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 "1.7.0"
+  resolved "https://registry.yarnpkg.com/passport-oauth2/-/passport-oauth2-1.7.0.tgz#5c4766c8531ac45ffe9ec2c09de9809e2c841fc4"
   dependencies:
+    base64url "3.x.x"
     oauth "0.9.x"
     passport-strategy "1.x.x"
     uid2 "0.0.x"