diff --git a/Pipfile b/Pipfile
index 33b43ad..6096d96 100644
--- a/Pipfile
+++ b/Pipfile
@@ -26,7 +26,7 @@ Jinja2 = "==2.10"
 MarkupSafe = "==1.1.0"
 PyJWT = "==1.7.1"
 PyNaCl = "==1.3.0"
-Werkzeug = "==0.14.1"
+Werkzeug = "==0.15.3"
 pyopenssl = "*"
 
 [requires]
diff --git a/Pipfile.lock b/Pipfile.lock
index 1d938f4..af6db20 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "891d20b90be448c5f087550f559abe8973c2b7ba2b09545bb689cf177c85abf5"
+            "sha256": "aa70f786cd9c820f2151d3664c5b9bd5472ebdcd788e16549c9b76a45d54cdfb"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -272,6 +272,7 @@
                 "sha256:30f36a9c70450c7878053fa1344aca0145fd47d845270b43a7ee9192a051bf39",
                 "sha256:37aa336a317209f1bb099ad177fef0da45be36a2aa664507c5d72015f956c310",
                 "sha256:4943decfc5b905748f0756fdd99d4f9498d7064815c4cf3643820c9028b711d1",
+                "sha256:53126cd91356342dcae7e209f840212a58dcf1177ad52c1d938d428eebc9fee5",
                 "sha256:57ef38a65056e7800859e5ba9e6091053cd06e1038983016effaffe0efcd594a",
                 "sha256:5bd61e9b44c543016ce1f6aef48606280e45f892a928ca7068fba30021e9b786",
                 "sha256:6482d3017a0c0327a49dddc8bd1074cc730d45db2ccb09c3bac1f8f32d1eb61b",
@@ -280,6 +281,7 @@
                 "sha256:a39f54ccbcd2757d1d63b0ec00a00980c0b382c62865b61a505163943624ab20",
                 "sha256:aabb0c5232910a20eec8563503c153a8e78bbf5459490c49ab31f6adf3f3a415",
                 "sha256:bd4ecb473a96ad0f90c20acba4f0bf0df91a4e03a1f4dd6a4bdc9ca75aa3a715",
+                "sha256:bf459128feb543cfca16a95f8da31e2e65e4c5257d2f3dfa8c0c1031139c9c92",
                 "sha256:e2da3c13307eac601f3de04887624939aca8ee3c9488a0bb0eca4fb9401fc6b1",
                 "sha256:f67814c38162f4deb31f68d590771a29d5ae3b1bd64b75cf232308e5c74777e0"
             ],
@@ -313,49 +315,56 @@
         },
         "werkzeug": {
             "hashes": [
-                "sha256:c3fd7a7d41976d9f44db327260e263132466836cef6f91512889ed60ad26557c",
-                "sha256:d5da73735293558eb1651ee2fddc4d0dedcfa06538b8813a2e20011583c9e49b"
+                "sha256:97660b282aa7e29f94f3fe378e5c7162d7ab9d601a8dbb1cbb2ffc8f0e54607d",
+                "sha256:cfd1281b1748288e59762c0e174d64d8bcb2b70e7c57bc4a1203c8825af24ac3"
             ],
             "index": "pypi",
-            "version": "==0.14.1"
+            "version": "==0.15.3"
         }
     },
     "develop": {
         "atomicwrites": {
             "hashes": [
-                "sha256:0312ad34fcad8fac3704d441f7b317e50af620823353ec657a53e981f92920c0",
-                "sha256:ec9ae8adaae229e4f8446952d204a3e4b5fdd2d099f9be3aaf556120135fb3ee"
+                "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4",
+                "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"
             ],
-            "version": "==1.2.1"
+            "version": "==1.3.0"
         },
         "attrs": {
             "hashes": [
-                "sha256:10cbf6e27dbce8c30807caf056c8eb50917e0eaafe86347671b57254006c3e69",
-                "sha256:ca4be454458f9dec299268d472aaa5a11f67a4ff70093396e1ceae9c76cf4bbb"
+                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
+                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+            ],
+            "version": "==19.3.0"
+        },
+        "importlib-metadata": {
+            "hashes": [
+                "sha256:aa18d7378b00b40847790e7c27e11673d7fed219354109d0e7b9e5b25dc3ad26",
+                "sha256:d5f18a79777f3aa179c145737780282e27b508fc8fd688cb17c7a813e8bd39af"
             ],
-            "version": "==18.2.0"
+            "markers": "python_version < '3.8'",
+            "version": "==0.23"
         },
         "more-itertools": {
             "hashes": [
-                "sha256:38a936c0a6d98a38bcc2d03fdaaedaba9f412879461dd2ceff8d37564d6522e4",
-                "sha256:c0a5785b1109a6bd7fac76d6837fd1feca158e54e521ccd2ae8bfe393cc9d4fc",
-                "sha256:fe7a7cae1ccb57d33952113ff4fa1bc5f879963600ed74918f1236e212ee50b9"
+                "sha256:409cd48d4db7052af495b09dec721011634af3753ae1ef92d2b32f73a745f832",
+                "sha256:92b8c4b06dac4f0611c0729b2f2ede52b2e1bac1ab48f089c7ddc12e26bb60c4"
             ],
-            "version": "==5.0.0"
+            "version": "==7.2.0"
         },
         "pluggy": {
             "hashes": [
-                "sha256:8ddc32f03971bfdf900a81961a48ccf2fb677cf7715108f85295c67405798616",
-                "sha256:980710797ff6a041e9a73a5787804f848996ecaa6f8a1b1e08224a5894f2074a"
+                "sha256:0db4b7601aae1d35b4a033282da476845aa19185c1e6964b25cf324b5e4ec3e6",
+                "sha256:fa5fa1622fa6dd5c030e9cad086fa19ef6a0cf6d7a2d12318e10cb49d6d68f34"
             ],
-            "version": "==0.8.1"
+            "version": "==0.13.0"
         },
         "py": {
             "hashes": [
-                "sha256:bf92637198836372b520efcba9e020c330123be8ce527e535d185ed4b6f45694",
-                "sha256:e76826342cefe3c3d5f7e8ee4316b80d1dd8a300781612ddbc765c17ba25a6c6"
+                "sha256:64f65755aee5b381cea27766a3a147c3f15b9b6b9ac88676de66ba2ae36793fa",
+                "sha256:dc639b046a6e2cff5bbe40194ad65936d6ba360b52b3c3fe1d08a82dd50b5e53"
             ],
-            "version": "==1.7.0"
+            "version": "==1.8.0"
         },
         "pytest": {
             "hashes": [
@@ -372,6 +381,13 @@
             ],
             "index": "pypi",
             "version": "==1.12.0"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e",
+                "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"
+            ],
+            "version": "==0.6.0"
         }
     }
 }