diff --git a/api/package.json b/api/package.json
index 46d2648..bf4d966 100644
--- a/api/package.json
+++ b/api/package.json
@@ -40,7 +40,7 @@
     "passport-github": "^1.1.0",
     "passport.socketio": "^3.7.0",
     "pg": "^7.4.3",
-    "sequelize": "^5.8.2",
+    "sequelize": "^5.15.1",
     "sequelize-cli": "^5.4.0",
     "socket.io": "^2.2.0",
     "standard": "^12.0.1",
diff --git a/api/yarn.lock b/api/yarn.lock
index 287ed1a..eb33d49 100644
--- a/api/yarn.lock
+++ b/api/yarn.lock
@@ -4799,6 +4799,11 @@ semver@4.3.2:
   resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.2.tgz#c7a07158a80bedd052355b770d82d6640f803be7"
   integrity sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c=
 
+semver@^6.1.1:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
+  integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
+
 semver@~5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
@@ -4837,17 +4842,15 @@ sequelize-cli@^5.4.0:
     umzug "^2.1.0"
     yargs "^12.0.5"
 
-sequelize-pool@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/sequelize-pool/-/sequelize-pool-1.0.2.tgz#89c767882bbdb8a41dac66922ed9820939a5401e"
-  integrity sha512-VMKl/gCCdIvB1gFZ7p+oqLFEyZEz3oMMYjkKvfEC7GoO9bBcxmfOOU9RdkoltfXGgBZFigSChihRly2gKtsh2w==
-  dependencies:
-    bluebird "^3.5.3"
+sequelize-pool@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/sequelize-pool/-/sequelize-pool-2.3.0.tgz#64f1fe8744228172c474f530604b6133be64993d"
+  integrity sha512-Ibz08vnXvkZ8LJTiUOxRcj1Ckdn7qafNZ2t59jYHMX1VIebTAOYefWdRYFt6z6+hy52WGthAHAoLc9hvk3onqA==
 
-sequelize@^5.8.2:
-  version "5.8.2"
-  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-5.8.2.tgz#19674a86fe12815b1fbceb010869538c9d6ec60c"
-  integrity sha512-UUNPza1twZKpc4wwO23X8aqjrdk2AB7nU2RX6KTXZm6FnxrJtPQaZgPyeHplCnmzXfXzX/OsFCZqGiCDY0oejw==
+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"
@@ -4858,8 +4861,8 @@ sequelize@^5.8.2:
     moment "^2.24.0"
     moment-timezone "^0.5.21"
     retry-as-promised "^3.1.0"
-    semver "^5.6.0"
-    sequelize-pool "^1.0.2"
+    semver "^6.1.1"
+    sequelize-pool "^2.3.0"
     toposort-class "^1.0.1"
     uuid "^3.2.1"
     validator "^10.11.0"