diff --git a/package-lock.json b/package-lock.json
index 98c6eee..56d55b9 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -2949,14 +3048,14 @@
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@@ -3505,9 +3609,9 @@
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@@ -6959,8 +7074,7 @@
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@@ -6977,32 +7091,49 @@
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-      "integrity": "sha1-n0uhni8wMMVH+K+ZEHg47DjVseI=",
+      "version": "1.14.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.2.tgz",
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+        "encodeurl": "~1.0.2",
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-        "parseurl": "~1.3.1",
-        "send": "0.15.3"
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@@ -7029,9 +7160,9 @@
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-      "integrity": "sha1-ZlZ+NwQ+608E2RvWWMDL77VbjgQ="
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
+      "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw=="
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@@ -7282,9 +7413,9 @@
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-      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz",
-      "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
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@@ -7761,6 +7892,11 @@
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+    "toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
+    },
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       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.2.tgz",
@@ -7823,12 +7959,27 @@
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-      "integrity": "sha1-yrEPtJCeRByChC6v4a1kbIGARBA=",
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
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-        "mime-types": "~2.1.15"
+        "mime-types": "~2.1.24"
+      },
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+        "mime-db": {
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+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+          "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg=="
+        },
+        "mime-types": {
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+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
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@@ -7902,7 +8053,7 @@
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-      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ=="
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@@ -7954,9 +8105,9 @@
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-      "integrity": "sha1-ApT7kiu5N1FTVBxPcJYjHyh8ivg="
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
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@@ -7994,9 +8145,9 @@
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-      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.1.tgz",
-      "integrity": "sha1-Z1Neu2lMHVIldFeYRmUyP1h+jTc="
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
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diff --git a/package.json b/package.json
index 584db14..09cbc35 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "@slack/client": "^3.10.0",
     "convict": "^4.0.0",
-    "express": "^4.15.3",
+    "express": "^4.17.3",
     "listify": "^1.0.0",
     "node-pg-migrate": "^2.7.0",
     "pg-connection-string": "^0.1.3",