diff --git a/.snyk b/.snyk
new file mode 100644
index 0000000..07774f6
--- /dev/null
+++ b/.snyk
@@ -0,0 +1,12 @@
+# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
+version: v1.13.1
+ignore: {}
+# patches apply the minimum changes required to fix a vulnerability
+patch:
+  'npm:minimatch:20160620':
+    - sequelize-cli > gulp > vinyl-fs > glob-stream > minimatch:
+        patched: '2018-11-27T05:20:55.062Z'
+    - sequelize-cli > gulp > vinyl-fs > glob-watcher > gaze > globule > minimatch:
+        patched: '2018-11-27T05:20:55.062Z'
+    - sequelize-cli > gulp > vinyl-fs > glob-watcher > gaze > globule > glob > minimatch:
+        patched: '2018-11-27T05:20:55.062Z'
diff --git a/package.json b/package.json
index fdb8699..221bcfa 100644
--- a/package.json
+++ b/package.json
@@ -50,18 +50,19 @@
     "marked": "^0.3.6",
     "moment": "^2.15.2",
     "node-fetch": "^1.6.3",
-    "nunjucks": "^2.5.2",
+    "nunjucks": "^3.1.3",
     "nunjucks-markdown": "^2.0.0",
     "pg": "^6.1.0",
     "pg-hstore": "^2.3.2",
     "pretty-ms": "^2.1.0",
     "promise": "^7.1.1",
-    "sequelize": "^3.24.6",
-    "sequelize-cli": "^2.4.0",
+    "sequelize": "^4.17.2",
+    "sequelize-cli": "^5.0.1",
     "svg-intersections": "^0.2.5",
     "trip": "^1.0.3",
     "winston": "^2.2.0",
-    "xmldom": "^0.1.22"
+    "xmldom": "^0.1.22",
+    "snyk": "^1.110.2"
   },
   "devDependencies": {
     "babel-eslint": "^7.1.0",
@@ -86,6 +87,9 @@
     "migrate": "sequelize db:migrate",
     "republisher": "node --require ./setup.js server/lib/results/republisher",
     "start": "npm run migrate && node --optimize_for_size --max_old_space_size=460 --gc_interval=100 --require ./setup.js server",
-    "test": "mocha --compilers js:babel-core/register layouts/*.spec.js"
-  }
+    "test": "mocha --compilers js:babel-core/register layouts/*.spec.js",
+    "snyk-protect": "snyk protect",
+    "prepare": "npm run snyk-protect"
+  },
+  "snyk": true
 }