diff --git a/api/package.json b/api/package.json
index c4d857d..667706b 100644
--- a/api/package.json
+++ b/api/package.json
@@ -31,7 +31,7 @@
     "jsonwebtoken": "8.5.1",
     "pg": "7.10.0",
     "pg-hstore": "2.3.2",
-    "sequelize": "5.8.5"
+    "sequelize": "5.15.1"
   },
   "devDependencies": {
     "@babel/cli": "7.4.4",
diff --git a/api/yarn.lock b/api/yarn.lock
index b42a303..2c8d32b 100644
--- a/api/yarn.lock
+++ b/api/yarn.lock
@@ -1383,7 +1383,7 @@ binary-extensions@^1.0.0:
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
   integrity sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==
 
-bluebird@^3.5.0, bluebird@^3.5.3:
+bluebird@^3.5.0:
   version "3.5.4"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.4.tgz#d6cc661595de30d5b3af5fcedd3c0b3ef6ec5714"
   integrity sha512-FG+nFEZChJrbQ9tIccIfZJBz3J7mLrAhxakAbnrJWn8d7aKOC+LWifa0G+p4ZqKp4y13T7juYvdhq9NzKdsrjw==
@@ -4803,6 +4803,11 @@ semver@^6.0.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.0.0.tgz#05e359ee571e5ad7ed641a6eec1e547ba52dea65"
   integrity sha512-0UewU+9rFapKFnlbirLi3byoOuhrSsli/z/ihNnvM24vgF+8sNBiI1LZPBSH9wJKUwaUbw+s3hToDLCXkrghrQ==
 
+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==
+
 send@0.16.2:
   version "0.16.2"
   resolved "https://registry.yarnpkg.com/send/-/send-0.16.2.tgz#6ecca1e0f8c156d141597559848df64730a6bbc1"
@@ -4822,17 +4827,15 @@ send@0.16.2:
     range-parser "~1.2.0"
     statuses "~1.4.0"
 
-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@5.8.5:
-  version "5.8.5"
-  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-5.8.5.tgz#3bb63b5e5b65eedc46d57fc69bb251b8af1bd73a"
-  integrity sha512-FvI3ceqYnNmgbBDeMvD7kdPFAnqelchiMavM+v+1SC+J19M4NThLSxrYL+yJWUJCSe++dHTyv2MEe7OBDVL6mw==
+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"
@@ -4843,8 +4846,8 @@ sequelize@5.8.5:
     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"