diff --git a/packages/server/package.json b/packages/server/package.json
old mode 100755
new mode 100644
index 25e1b39..6f2c9ee
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -45,7 +45,7 @@
     "koa-graphql": "0.8.0",
     "koa-logger": "3.2.1",
     "moment": "^2.24.0",
-    "mongoose": "^5.9.7",
+    "mongoose": "^5.13.15",
     "pretty-format": "^26.0.1",
     "signale": "^1.4.0",
     "subscriptions-transport-ws": "^0.9.16",
diff --git a/yarn.lock b/yarn.lock
index 34c4548..92e0540 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9400,10 +9400,10 @@ mongoose@*:
     ms "2.1.3"
     sift "16.0.0"
 
-mongoose@^5.9.7:
-  version "5.13.14"
-  resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-5.13.14.tgz#ffc9704bd022dd018fbddcbe27dc802c77719fb4"
-  integrity sha512-j+BlQjjxgZg0iWn42kLeZTB91OejcxWpY2Z50bsZTiKJ7HHcEtcY21Godw496GMkBqJMTzmW7G/kZ04mW+Cb7Q==
+mongoose@^5.13.15:
+  version "5.13.15"
+  resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-5.13.15.tgz#ba2cd0f22c1a5dd9ae15aaf6b10f03c59a4202dd"
+  integrity sha512-cxp1Gbb8yUWkaEbajdhspSaKzAvsIvOtRlYD87GN/P2QEUhpd6bIvebi36T6M0tIVAMauNaK9SPA055N3PwF8Q==
   dependencies:
     "@types/bson" "1.x || 4.0.x"
     "@types/mongodb" "^3.5.27"