diff --git a/package.json b/package.json
index 0cdcd18..cfc189f 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "helmet": "^3.8.1",
     "sequelize": "^4.8.0",
     "serve-favicon": "^2.4.3",
-    "tedious": "^2.0.0",
+    "tedious": "^3.0.1",
     "winston": "^2.3.1"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index c01b204..26641dc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -192,7 +192,7 @@ babel-code-frame@^6.22.0:
     esutils "^2.0.2"
     js-tokens "^3.0.2"
 
-babel-runtime@^6.23.0, babel-runtime@^6.26.0:
+babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
   dependencies:
@@ -235,15 +235,16 @@ better-assert@~1.0.0:
   dependencies:
     callsite "1.0.0"
 
-big-number@0.3.1:
-  version "0.3.1"
-  resolved "https://registry.yarnpkg.com/big-number/-/big-number-0.3.1.tgz#ac73020c0a59bb79eb17c2ce2db77f77d974e013"
+big-number@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/big-number/-/big-number-1.0.0.tgz#a0277607a0adb06492d3099546ef0d547785df18"
 
-bl@^1.2.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.1.tgz#cac328f7bee45730d404b692203fcb590e172d5e"
+bl@^2.0.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-2.1.2.tgz#591182cb9f3f2eff3beb1e76dabedfb5c5fa9a26"
   dependencies:
-    readable-stream "^2.0.5"
+    readable-stream "^2.3.5"
+    safe-buffer "^5.1.1"
 
 blob@0.0.4:
   version "0.0.4"
@@ -557,6 +558,10 @@ depd@1.1.1, depd@^1.1.0, depd@~1.1.0, depd@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.1.tgz#5783b4e1c459f06fa5ca27f991f3d06e7a310359"
 
+depd@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+
 destroy@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
@@ -1213,10 +1218,16 @@ iconv-lite@0.4.15:
   version "0.4.15"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.15.tgz#fe265a218ac6a57cfe854927e9d04c19825eddeb"
 
-iconv-lite@^0.4.11, iconv-lite@^0.4.17:
+iconv-lite@^0.4.17:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.18.tgz#23d8656b16aae6742ac29732ea8f0336a4789cf2"
 
+iconv-lite@^0.4.23:
+  version "0.4.24"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3"
+
 ienoopen@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/ienoopen/-/ienoopen-1.0.0.tgz#346a428f474aac8f50cf3784ea2d0f16f62bda6b"
@@ -1612,6 +1623,10 @@ mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
 
+native-duplexpair@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/native-duplexpair/-/native-duplexpair-1.0.0.tgz#7899078e64bf3c8a3d732601b3d40ff05db58fa0"
+
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
@@ -1773,6 +1788,10 @@ process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
 
+process-nextick-args@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
+
 progress@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
@@ -1792,6 +1811,10 @@ punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
+punycode@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
+
 qs@6.4.0, qs@~6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
@@ -1812,7 +1835,7 @@ raw-body@~2.2.0:
     iconv-lite "0.4.15"
     unpipe "1.0.0"
 
-readable-stream@^2.0.5, readable-stream@^2.2.2, readable-stream@^2.2.6:
+readable-stream@^2.2.2:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
   dependencies:
@@ -1824,6 +1847,26 @@ readable-stream@^2.0.5, readable-stream@^2.2.2, readable-stream@^2.2.6:
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
 
+readable-stream@^2.3.5:
+  version "2.3.6"
+  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
+readable-stream@^3.0.3:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.0.6.tgz#351302e4c68b5abd6a2ed55376a7f9a25be3057a"
+  dependencies:
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
+
 referrer-policy@1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/referrer-policy/-/referrer-policy-1.1.0.tgz#35774eb735bf50fb6c078e83334b472350207d79"
@@ -1933,6 +1976,14 @@ safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+safe-buffer@^5.1.1:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+
+"safer-buffer@>= 2.1.2 < 3":
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+
 semver@^5.0.1, semver@^5.3.0:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
@@ -2070,14 +2121,14 @@ socket.io@^2.0.1:
     socket.io-client "~2.0.2"
     socket.io-parser "~3.1.1"
 
+sprintf-js@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.1.1.tgz#36be78320afe5801f6cea3ee78b6e5aab940ea0c"
+
 sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
 
-sprintf@0.1.5:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/sprintf/-/sprintf-0.1.5.tgz#8f83e39a9317c1a502cb7db8050e51c679f6edcf"
-
 sshpk@^1.7.0:
   version "1.13.1"
   resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.13.1.tgz#512df6da6287144316dc4c18fe1cf1d940739be3"
@@ -2111,6 +2162,12 @@ string-width@^2.0.0, string-width@^2.1.0:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
+string_decoder@^1.1.1, string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  dependencies:
+    safe-buffer "~5.1.0"
+
 string_decoder@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
@@ -2164,16 +2221,18 @@ table@^4.0.1:
     slice-ansi "0.0.4"
     string-width "^2.0.0"
 
-tedious@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/tedious/-/tedious-2.0.0.tgz#2765e9c8684f62631d85e6a88055ebb82dc8f57d"
+tedious@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/tedious/-/tedious-3.0.1.tgz#d3c826b6f08e16faa285061c3b0bda99543480f8"
   dependencies:
-    babel-runtime "^6.23.0"
-    big-number "0.3.1"
-    bl "^1.2.0"
-    iconv-lite "^0.4.11"
-    readable-stream "^2.2.6"
-    sprintf "0.1.5"
+    big-number "1.0.0"
+    bl "^2.0.1"
+    depd "^1.1.2"
+    iconv-lite "^0.4.23"
+    native-duplexpair "^1.0.0"
+    punycode "^2.1.0"
+    readable-stream "^3.0.3"
+    sprintf-js "^1.1.1"
 
 terraformer-wkt-parser@^1.1.2:
   version "1.1.2"
@@ -2272,7 +2331,7 @@ unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
 
-util-deprecate@~1.0.1:
+util-deprecate@^1.0.1, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"