diff --git a/services/notifications/app.js b/services/notifications/app.js
index e57fa7671c..765db2edd7 100644
--- a/services/notifications/app.js
+++ b/services/notifications/app.js
@@ -12,6 +12,9 @@ const logger = require('logger-sharelatex')
 logger.initialize('notifications-sharelatex')
 const express = require('express')
 const app = express()
+const methodOverride = require('method-override')
+const bodyParser = require('body-parser')
+const errorHandler = require('errorhandler')
 const controller = require('./app/js/NotificationsController')
 const mongojs = require('mongojs')
 const db = mongojs(Settings.mongo.url, ['notifications'])
@@ -21,12 +24,10 @@ metrics.memory.monitor(logger)
 
 const HealthCheckController = require('./app/js/HealthCheckController')
 
-app.configure(function() {
-  app.use(express.methodOverride())
-  app.use(express.bodyParser())
-  app.use(metrics.http.monitor(logger))
-  return app.use(express.errorHandler())
-})
+app.use(methodOverride())
+app.use(bodyParser())
+app.use(metrics.http.monitor(logger))
+app.use(errorHandler())
 
 metrics.injectMetricsRoute(app)
 
diff --git a/services/notifications/package-lock.json b/services/notifications/package-lock.json
index 8d01da7039..9ae48d9cb9 100644
--- a/services/notifications/package-lock.json
+++ b/services/notifications/package-lock.json
@@ -17,7 +17,6 @@
       "version": "7.9.4",
       "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.9.4.tgz",
       "integrity": "sha512-rjP8ahaDy/ouhrvCoU1E5mqaitWrxwuNGU+dy1EpaoK48jZay4MdkskKGIMHLZNewg8sAsqpGSREJwP0zH3YQA==",
-      "dev": true,
       "requires": {
         "@babel/types": "^7.9.0",
         "jsesc": "^2.5.1",
@@ -28,8 +27,7 @@
         "source-map": {
           "version": "0.5.7",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
-          "dev": true
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
         }
       }
     },
@@ -37,7 +35,6 @@
       "version": "7.8.3",
       "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.8.3.tgz",
       "integrity": "sha512-BCxgX1BC2hD/oBlIFUgOCQDOPV8nSINxCwM3o93xP4P9Fq6aV5sgv2cOOITDMtCfQ+3PvHp3l689XZvAM9QyOA==",
-      "dev": true,
       "requires": {
         "@babel/helper-get-function-arity": "^7.8.3",
         "@babel/template": "^7.8.3",
@@ -48,7 +45,6 @@
       "version": "7.8.3",
       "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.8.3.tgz",
       "integrity": "sha512-FVDR+Gd9iLjUMY1fzE2SR0IuaJToR4RkCDARVfsBBPSP53GEqSFjD8gNyxg246VUyc/ALRxFaAK8rVG7UT7xRA==",
-      "dev": true,
       "requires": {
         "@babel/types": "^7.8.3"
       }
@@ -57,7 +53,6 @@
       "version": "7.8.3",
       "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.8.3.tgz",
       "integrity": "sha512-3x3yOeyBhW851hroze7ElzdkeRXQYQbFIb7gLK1WQYsw2GWDay5gAJNw1sWJ0VFP6z5J1whqeXH/WCdCjZv6dA==",
-      "dev": true,
       "requires": {
         "@babel/types": "^7.8.3"
       }
@@ -65,8 +60,7 @@
     "@babel/helper-validator-identifier": {
       "version": "7.9.0",
       "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.9.0.tgz",
-      "integrity": "sha512-6G8bQKjOh+of4PV/ThDm/rRqlU7+IGoJuofpagU5GlEl29Vv0RGqqt86ZGRV8ZuSOY3o+8yXl5y782SMcG7SHw==",
-      "dev": true
+      "integrity": "sha512-6G8bQKjOh+of4PV/ThDm/rRqlU7+IGoJuofpagU5GlEl29Vv0RGqqt86ZGRV8ZuSOY3o+8yXl5y782SMcG7SHw=="
     },
     "@babel/highlight": {
       "version": "7.8.0",
@@ -82,8 +76,7 @@
     "@babel/parser": {
       "version": "7.9.4",
       "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.9.4.tgz",
-      "integrity": "sha512-bC49otXX6N0/VYhgOMh4gnP26E9xnDZK3TmbNpxYzzz9BQLBosQwfyOe9/cXUU3txYhTzLCbcqd5c8y/OmCjHA==",
-      "dev": true
+      "integrity": "sha512-bC49otXX6N0/VYhgOMh4gnP26E9xnDZK3TmbNpxYzzz9BQLBosQwfyOe9/cXUU3txYhTzLCbcqd5c8y/OmCjHA=="
     },
     "@babel/runtime": {
       "version": "7.8.0",
@@ -108,7 +101,6 @@
       "version": "7.8.6",
       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.8.6.tgz",
       "integrity": "sha512-zbMsPMy/v0PWFZEhQJ66bqjhH+z0JgMoBWuikXybgG3Gkd/3t5oQ1Rw2WQhnSrsOmsKXnZOx15tkC4qON/+JPg==",
-      "dev": true,
       "requires": {
         "@babel/code-frame": "^7.8.3",
         "@babel/parser": "^7.8.6",
@@ -119,7 +111,6 @@
           "version": "7.8.3",
           "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
           "integrity": "sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==",
-          "dev": true,
           "requires": {
             "@babel/highlight": "^7.8.3"
           }
@@ -128,7 +119,6 @@
           "version": "7.9.0",
           "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.9.0.tgz",
           "integrity": "sha512-lJZPilxX7Op3Nv/2cvFdnlepPXDxi29wxteT57Q965oc5R9v86ztx0jfxVrTcBk8C2kcPkkDa2Z4T3ZsPPVWsQ==",
-          "dev": true,
           "requires": {
             "@babel/helper-validator-identifier": "^7.9.0",
             "chalk": "^2.0.0",
@@ -141,7 +131,6 @@
       "version": "7.9.0",
       "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.9.0.tgz",
       "integrity": "sha512-jAZQj0+kn4WTHO5dUZkZKhbFrqZE7K5LAQ5JysMnmvGij+wOdr+8lWqPeW0BcF4wFwrEXXtdGO7wcV6YPJcf3w==",
-      "dev": true,
       "requires": {
         "@babel/code-frame": "^7.8.3",
         "@babel/generator": "^7.9.0",
@@ -158,7 +147,6 @@
           "version": "7.8.3",
           "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
           "integrity": "sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==",
-          "dev": true,
           "requires": {
             "@babel/highlight": "^7.8.3"
           }
@@ -167,7 +155,6 @@
           "version": "7.9.0",
           "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.9.0.tgz",
           "integrity": "sha512-lJZPilxX7Op3Nv/2cvFdnlepPXDxi29wxteT57Q965oc5R9v86ztx0jfxVrTcBk8C2kcPkkDa2Z4T3ZsPPVWsQ==",
-          "dev": true,
           "requires": {
             "@babel/helper-validator-identifier": "^7.9.0",
             "chalk": "^2.0.0",
@@ -178,7 +165,6 @@
           "version": "4.1.1",
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
           "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
-          "dev": true,
           "requires": {
             "ms": "^2.1.1"
           }
@@ -186,8 +172,7 @@
         "ms": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
-          "dev": true
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
         }
       }
     },
@@ -195,7 +180,6 @@
       "version": "7.9.0",
       "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.9.0.tgz",
       "integrity": "sha512-BS9JKfXkzzJl8RluW4JGknzpiUV7ZrvTayM6yfqLTVBEnFtyowVIOu6rqxRd5cVO6yGoWf4T8u8dgK9oB+GCng==",
-      "dev": true,
       "requires": {
         "@babel/helper-validator-identifier": "^7.9.0",
         "lodash": "^4.17.13",
@@ -1133,6 +1117,15 @@
         "event-target-shim": "^5.0.0"
       }
     },
+    "accepts": {
+      "version": "1.3.7",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
+      "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
+      "requires": {
+        "mime-types": "~2.1.24",
+        "negotiator": "0.6.2"
+      }
+    },
     "acorn": {
       "version": "6.4.1",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
@@ -1211,7 +1204,6 @@
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
       "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-      "dev": true,
       "requires": {
         "color-convert": "^1.9.0"
       }
@@ -1226,11 +1218,23 @@
         "picomatch": "^2.0.4"
       }
     },
+    "append-transform": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/append-transform/-/append-transform-1.0.0.tgz",
+      "integrity": "sha512-P009oYkeHyU742iSZJzZZywj4QRJdnTWffaKuJQLablCZ1uz6/cW4yaRgcDaoQ+uwOxxnt0gRUcwfsNP2ri0gw==",
+      "requires": {
+        "default-require-extensions": "^2.0.0"
+      }
+    },
+    "archy": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
+      "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA="
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
       "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
-      "dev": true,
       "requires": {
         "sprintf-js": "~1.0.2"
       }
@@ -1245,6 +1249,11 @@
         "commander": "^2.11.0"
       }
     },
+    "array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+    },
     "array-includes": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.1.1.tgz",
@@ -1427,6 +1436,47 @@
       "resolved": "https://registry.npmjs.org/bintrees/-/bintrees-1.0.1.tgz",
       "integrity": "sha1-DmVcm5wkNeqraL9AJyJtK1WjRSQ="
     },
+    "bl": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.0.tgz",
+      "integrity": "sha512-wbgvOpqopSr7uq6fJrLH8EsvYMJf9gzfo2jCsL2eTy75qXPukA4pCgHamOQkZtY5vmfVtjB+P3LNlMHW5CEZXA==",
+      "requires": {
+        "readable-stream": "^2.3.5",
+        "safe-buffer": "^5.1.1"
+      }
+    },
+    "body-parser": {
+      "version": "1.19.0",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
+      "integrity": "sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==",
+      "requires": {
+        "bytes": "3.1.0",
+        "content-type": "~1.0.4",
+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "http-errors": "1.7.2",
+        "iconv-lite": "0.4.24",
+        "on-finished": "~2.3.0",
+        "qs": "6.7.0",
+        "raw-body": "2.4.0",
+        "type-is": "~1.6.17"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "qs": {
+          "version": "6.7.0",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
+          "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ=="
+        }
+      }
+    },
     "boolify": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/boolify/-/boolify-1.0.1.tgz",
@@ -1457,6 +1507,11 @@
       "integrity": "sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==",
       "dev": true
     },
+    "bson": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.4.tgz",
+      "integrity": "sha512-S/yKGU1syOMzO86+dGpg2qGoDL0zvzcb262G+gqEy6TgP6rt6z6qxSFX/8X6vLC91P7G7C3nLs0+bvDzmvBA3Q=="
+    },
     "buffer-equal-constant-time": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
@@ -1478,6 +1533,22 @@
         "safe-json-stringify": "~1"
       }
     },
+    "bytes": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
+      "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg=="
+    },
+    "caching-transform": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/caching-transform/-/caching-transform-3.0.2.tgz",
+      "integrity": "sha512-Mtgcv3lh3U0zRii/6qVgQODdPA4G3zhG+jtbCWj39RXuUFTMzH0vcdMtaJS1jPowd+It2Pqr6y3NJMQqOqCE2w==",
+      "requires": {
+        "hasha": "^3.0.0",
+        "make-dir": "^2.0.0",
+        "package-hash": "^3.0.0",
+        "write-file-atomic": "^2.4.2"
+      }
+    },
     "callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -1487,8 +1558,7 @@
     "camelcase": {
       "version": "5.3.1",
       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
-      "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
-      "dev": true
+      "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg=="
     },
     "camelcase-keys": {
       "version": "6.1.1",
@@ -1524,7 +1594,6 @@
       "version": "2.4.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
       "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
-      "dev": true,
       "requires": {
         "ansi-styles": "^3.2.1",
         "escape-string-regexp": "^1.0.5",
@@ -1534,14 +1603,12 @@
         "has-flag": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
-          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
-          "dev": true
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
         },
         "supports-color": {
           "version": "5.5.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
           "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-          "dev": true,
           "requires": {
             "has-flag": "^3.0.0"
           }
@@ -1595,7 +1662,6 @@
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
       "integrity": "sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==",
-      "dev": true,
       "requires": {
         "string-width": "^3.1.0",
         "strip-ansi": "^5.2.0",
@@ -1605,20 +1671,17 @@
         "emoji-regex": {
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           "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
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-          "dev": true
+          "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA=="
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         "is-fullwidth-code-point": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8="
         },
         "string-width": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
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-          "dev": true,
           "requires": {
             "emoji-regex": "^7.0.1",
             "is-fullwidth-code-point": "^2.0.0",
@@ -1636,7 +1699,6 @@
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       "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
-      "dev": true,
       "requires": {
         "color-name": "1.1.3"
       }
@@ -1644,8 +1706,7 @@
     "color-name": {
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       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
-      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
-      "dev": true
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
     },
     "combined-stream": {
       "version": "1.0.8",
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@@ -6051,6 +6656,11 @@
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@@ -6096,6 +6710,11 @@
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+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
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-          "dev": true
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@@ -6384,6 +7020,16 @@
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+        "imurmurhash": "^0.1.4",
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@@ -6414,8 +7060,7 @@
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@@ -6458,14 +7100,12 @@
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-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-          "dev": true
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@@ -6475,7 +7115,6 @@
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@@ -6484,7 +7123,6 @@
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@@ -6497,7 +7135,6 @@
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diff --git a/services/notifications/package.json b/services/notifications/package.json
index 96e2966be7..ef35a6c72b 100644
--- a/services/notifications/package.json
+++ b/services/notifications/package.json
@@ -18,11 +18,14 @@
   "license": "ISC",
   "dependencies": {
     "async": "^2.6.3",
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     "coffee-script": "^1.12.7",
-    "express": "3.1.0",
+    "errorhandler": "^1.5.1",
+    "express": "4.17.1",
     "logger-sharelatex": "^1.9.1",
+    "method-override": "^3.0.0",
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-    "mongojs": "^2.4.0",
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     "request": "^2.88.2",
     "settings-sharelatex": "^1.1.0",