diff --git a/package-lock.json b/package-lock.json
index 18a0420..abf8dbf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -761,15 +761,6 @@
         "regexpu-core": "^4.5.4"
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-      "resolved": "https://registry.npmjs.org/@babel/polyfill/-/polyfill-7.4.4.tgz",
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       "resolved": "https://registry.npmjs.org/@babel/preset-env/-/preset-env-7.4.5.tgz",
@@ -1352,11 +1343,6 @@
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-      "version": "3.5.27",
-      "resolved": "https://registry.npmjs.org/@types/bluebird/-/bluebird-3.5.27.tgz",
-      "integrity": "sha512-6BmYWSBea18+tSjjSC3QIyV93ZKAeNWGM7R6aYt1ryTZXrlHF+QLV0G2yV0viEGVyRkyQsWfMoJ0k/YghBX5sQ=="
-    },
     "@types/istanbul-lib-coverage": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.1.tgz",
@@ -3435,9 +3421,9 @@
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-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.0.7.tgz",
-      "integrity": "sha512-KeK4klsvAgdODAjFPm6QLzvStizJqlxMBtVo4KQMCgk5tt/tf9rAzxmxLHNRynJg3tJjkKGKbHx3j4HLox27Lw=="
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.1.0.tgz",
+      "integrity": "sha512-6S062WDQUXi6hOfkO/sBPVwE5ASXY4G2+b4atvhJfSsuUUhIaUKlkjLe9692Ipyt5/a+IPF5aVTu3V5gvXq5cg=="
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     "colornames": {
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@@ -6414,9 +6400,9 @@
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     },
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-      "version": "2.2.3",
-      "resolved": "https://registry.npmjs.org/getopts/-/getopts-2.2.3.tgz",
-      "integrity": "sha512-viEcb8TpgeG05+Nqo5EzZ8QR0hxdyrYDp6ZSTZqe2M/h53Bk036NmqG38Vhf5RGirC/Of9Xql+v66B2gp256SQ=="
+      "version": "2.2.5",
+      "resolved": "https://registry.npmjs.org/getopts/-/getopts-2.2.5.tgz",
+      "integrity": "sha512-9jb7AW5p3in+IiJWhQiZmmwkpLaR/ccTWdWQCtZM66HJcHHLegowh4q4tSD7gouUyeNvFWRavfK9GXosQHDpFA=="
     },
     "getpass": {
       "version": "0.1.7",
@@ -8710,29 +8696,37 @@
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     },
     "knex": {
-      "version": "0.16.5",
-      "resolved": "https://registry.npmjs.org/knex/-/knex-0.16.5.tgz",
-      "integrity": "sha512-1RVxMU8zGOBqgmXlAvs8vohg9MD14iiRZZPe0IeQXd554n4xxPmoMkbH4hlFeqfM6eOdFE3AVqVSncL3YuocqA==",
-      "requires": {
-        "@babel/polyfill": "^7.4.3",
-        "@types/bluebird": "^3.5.26",
-        "bluebird": "^3.5.4",
-        "colorette": "1.0.7",
-        "commander": "^2.20.0",
+      "version": "0.19.5",
+      "resolved": "https://registry.npmjs.org/knex/-/knex-0.19.5.tgz",
+      "integrity": "sha512-Hy258avCVircQq+oj3WBqPzl8jDIte438Qlq+8pt1i/TyLYVA4zPh2uKc7Bx0t+qOpa6D42HJ2jjtl2vagzilw==",
+      "requires": {
+        "bluebird": "^3.7.0",
+        "colorette": "1.1.0",
+        "commander": "^3.0.2",
         "debug": "4.1.1",
-        "getopts": "2.2.3",
-        "inherits": "~2.0.3",
+        "getopts": "2.2.5",
+        "inherits": "~2.0.4",
         "interpret": "^1.2.0",
         "liftoff": "3.1.0",
-        "lodash": "^4.17.11",
+        "lodash": "^4.17.15",
         "mkdirp": "^0.5.1",
-        "pg-connection-string": "2.0.0",
-        "tarn": "^1.1.5",
-        "tildify": "1.2.0",
-        "uuid": "^3.3.2",
-        "v8flags": "^3.1.2"
+        "pg-connection-string": "2.1.0",
+        "tarn": "^2.0.0",
+        "tildify": "2.0.0",
+        "uuid": "^3.3.3",
+        "v8flags": "^3.1.3"
       },
       "dependencies": {
+        "bluebird": {
+          "version": "3.7.1",
+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.1.tgz",
+          "integrity": "sha512-DdmyoGCleJnkbp3nkbxTLJ18rjDsE4yCggEwKNXkeV123sPNfOCYeDoeuOY+F2FrSjO1YXcTU+dsy96KMy+gcg=="
+        },
+        "commander": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-3.0.2.tgz",
+          "integrity": "sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow=="
+        },
         "debug": {
           "version": "4.1.1",
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
@@ -8741,10 +8735,20 @@
             "ms": "^2.1.1"
           }
         },
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        },
         "pg-connection-string": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.0.0.tgz",
-          "integrity": "sha1-Pu/lmX4G2Ugh5NUC5CtqHHP434I="
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.1.0.tgz",
+          "integrity": "sha512-bhlV7Eq09JrRIvo1eKngpwuqKtJnNhZdpdOlvrPrA4dxqXPjxSrbNrfnIDmTpwMyRszrcV4kU5ZA4mMsQUrjdg=="
+        },
+        "uuid": {
+          "version": "3.3.3",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.3.tgz",
+          "integrity": "sha512-pW0No1RGHgzlpHJO1nsVrHKpOEIxkGg1xB+v0ZmdNH5OAeAwzAVrCnI2/6Mtx+Uys6iaylxa+D3g4j63IKKjSQ=="
         }
       }
     },
@@ -13958,9 +13962,9 @@
       }
     },
     "tarn": {
-      "version": "1.1.5",
-      "resolved": "https://registry.npmjs.org/tarn/-/tarn-1.1.5.tgz",
-      "integrity": "sha512-PMtJ3HCLAZeedWjJPgGnCvcphbCOMbtZpjKgLq3qM5Qq9aQud+XHrL0WlrlgnTyS8U+jrjGbEXprFcQrxPy52g=="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/tarn/-/tarn-2.0.0.tgz",
+      "integrity": "sha512-7rNMCZd3s9bhQh47ksAQd92ADFcJUjjbyOvyFjNLwTPpGieFHMC84S+LOzw0fx1uh6hnDz/19r8CPMnIjJlMMA=="
     },
     "term-size": {
       "version": "1.2.0",
@@ -14198,12 +14202,9 @@
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     },
     "tildify": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/tildify/-/tildify-1.2.0.tgz",
-      "integrity": "sha1-3OwD9V3Km3qj5bBPIYF+tW5jWIo=",
-      "requires": {
-        "os-homedir": "^1.0.0"
-      }
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/tildify/-/tildify-2.0.0.tgz",
+      "integrity": "sha512-Cc+OraorugtXNfs50hU9KS369rFXCfgGLpfCfvlc+Ud5u6VWmUQsOAa9HbTvheQdYnrdJqqv1e5oIqXppMYnSw=="
     },
     "timed-out": {
       "version": "4.0.1",
diff --git a/package.json b/package.json
index ac2511b..d624b8d 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "googleapis": "^40.0.0",
     "jsonwebtoken": "^8.4.0",
     "kcors": "2.2.2",
-    "knex": "^0.16.5",
+    "knex": "^0.19.5",
     "koa": "^2.6.2",
     "koa-bodyparser": "^4.2.1",
     "koa-helmet": "^4.0.0",