diff --git a/backend/package.json b/backend/package.json
index f641c528c..cbba1609e 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -84,7 +84,7 @@
     "neo4j-graphql-js": "^2.9.3",
     "neode": "^0.3.3",
     "node-fetch": "~2.6.0",
-    "nodemailer": "^6.3.1",
+    "nodemailer": "^6.4.0",
     "nodemailer-html-to-text": "^3.1.0",
     "npm-run-all": "~4.1.5",
     "request": "~2.88.0",
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 8e2ca5446..0d4fd5263 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -6206,10 +6206,10 @@ nodemailer-html-to-text@^3.1.0:
   dependencies:
     html-to-text "^5.1.1"
 
-nodemailer@^6.3.1:
-  version "6.3.1"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.3.1.tgz#2784beebac6b9f014c424c54dbdcc5c4d1221346"
-  integrity sha512-j0BsSyaMlyadEDEypK/F+xlne2K5m6wzPYMXS/yxKI0s7jmT1kBx6GEKRVbZmyYfKOsjkeC/TiMVDJBI/w5gMQ==
+nodemailer@^6.4.0:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.4.0.tgz#91482ebc09d39156d933eb9e6159642cd27bf02c"
+  integrity sha512-UBqPOfQGD1cM3HnjhuQe+0u3DWx47WWK7lBjG5UtPnGOysr7oDK5lNCzcjK6zzeBSdTk4m1tGx1xNbWFZQmMNA==
 
 nodemon@~2.0.1:
   version "2.0.1"