diff --git a/package.json b/package.json
index 256b55e8..786771b9 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "nodemailer-express-handlebars": "^3.1.0",
     "pg": "^7.11.0",
     "pg-hstore": "^2.3.3",
-    "sequelize": "^5.10.1",
+    "sequelize": "^5.15.1",
     "youch": "^2.0.10",
     "yup": "^0.27.0"
   },
diff --git a/yarn.lock b/yarn.lock
index 95033c4d..647a64c0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3348,10 +3348,10 @@ sequelize-pool@^2.3.0:
   resolved "https://registry.yarnpkg.com/sequelize-pool/-/sequelize-pool-2.3.0.tgz#64f1fe8744228172c474f530604b6133be64993d"
   integrity sha512-Ibz08vnXvkZ8LJTiUOxRcj1Ckdn7qafNZ2t59jYHMX1VIebTAOYefWdRYFt6z6+hy52WGthAHAoLc9hvk3onqA==
 
-sequelize@^5.10.1:
-  version "5.10.1"
-  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-5.10.1.tgz#ac12614fee2fd40417c4df585dcc28ba2ccf2c57"
-  integrity sha512-wE7jOUABVD9Kr8pAchRqk5quHoqE3tUHfKJ/WdLyZjHx4oMK5YWv1MEiny9DmiOlXOf1JNXwbPL9imSvzFq7aw==
+sequelize@^5.15.1:
+  version "5.15.1"
+  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-5.15.1.tgz#f130ded17e74395ae7f5e265277c99577e895afb"
+  integrity sha512-DCzzJYvJLMKnyf8G3at2A+yM9M2fSQmTmuOYIpCWM8Gjqx3XfgNTd1NkuyPWFoi1/d1AXQsN2VDPXkPczida8A==
   dependencies:
     bluebird "^3.5.0"
     cls-bluebird "^2.1.0"