diff --git a/Pipfile b/Pipfile
index 9d47c8a..397da29 100644
--- a/Pipfile
+++ b/Pipfile
@@ -9,7 +9,7 @@ black = "*"
 
 [packages]
 requests = "==2.21.0"
-certifi = "==2019.3.9"
+certifi = "==2022.12.7"
 chardet = "==3.0.4"
 click = "==7.0"
 idna = "==2.8"
diff --git a/Pipfile.lock b/Pipfile.lock
index f16d9a9..36b8f7a 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "b3ec3e3299107132523c009c89e80f33a513718b31720222b730281c7c20549b"
+            "sha256": "800f7e14d302e1b242188598445bff6ed3840e077a768ffb5b9c1220d07494ed"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,11 +18,11 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
-                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
+                "sha256:35824b4c3a97115964b408844d64aa14db1cc518f6562e8d7261699d1350a9e3",
+                "sha256:4ad3232f5e926d6718ec31cfc1fcadfde020920e278684144551c91769c7bc18"
             ],
             "index": "pypi",
-            "version": "==2019.3.9"
+            "version": "==2022.12.7"
         },
         "chardet": {
             "hashes": [
@@ -165,10 +165,11 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
-                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+                "sha256:29adc2665447e5191d0e7c568fde78b21f9672d344281d0c6e1ab085429b22b6",
+                "sha256:86efa402f67bf2df34f51a335487cf46b1ec130d02b8d39fd248abfd30da551c"
             ],
-            "version": "==20.3.0"
+            "markers": "python_version >= '3.5'",
+            "version": "==22.1.0"
         },
         "black": {
             "hashes": [
@@ -191,6 +192,7 @@
                 "sha256:589f874b313739ad35be6e0cd7efde2a4e9b6fea91edcc34e58ecbb8dbe56d19",
                 "sha256:c70dd71abe5a8c85e55e12c19bd91ccfeec11a6e99044204511f9ed547d48451"
             ],
+            "markers": "python_version >= '2.7'",
             "version": "==0.3"
         },
         "flake8": {
@@ -201,6 +203,14 @@
             "index": "pypi",
             "version": "==3.7.7"
         },
+        "importlib-metadata": {
+            "hashes": [
+                "sha256:d5059f9f1e8e41f80e9c56c2ee58811450c31984dfa625329ffd7c0dad88a73b",
+                "sha256:d84d17e21670ec07990e1044a99efe8d615d860fd176fc29ef5c306068fda313"
+            ],
+            "markers": "python_version < '3.8'",
+            "version": "==5.1.0"
+        },
         "mccabe": {
             "hashes": [
                 "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
@@ -213,6 +223,7 @@
                 "sha256:95a2219d12372f05704562a14ec30bc76b05a5b297b21a5dfe3f6fac3491ae56",
                 "sha256:e40a936c9a450ad81df37f549d676d127b1b66000a6c500caa2b085bc0ca976c"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.5.0"
         },
         "pyflakes": {
@@ -220,6 +231,7 @@
                 "sha256:17dbeb2e3f4d772725c777fabc446d5634d1038f234e77343108ce445ea69ce0",
                 "sha256:d976835886f8c5b31d47970ed689944a0262b5f3afa00a5a7b4dc81e5449f8a2"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.1.1"
         },
         "toml": {
@@ -227,7 +239,24 @@
                 "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
                 "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
             ],
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==0.10.2"
+        },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:1511434bb92bf8dd198c12b1cc812e800d4181cfcb867674e0f8279cc93087aa",
+                "sha256:16fa4864408f655d35ec496218b85f79b3437c829e93320c7c9215ccfd92489e"
+            ],
+            "markers": "python_version < '3.8'",
+            "version": "==4.4.0"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:83a28fcb75844b5c0cdaf5aa4003c2d728c77e05f5aeabe8e95e56727005fbaa",
+                "sha256:a7a22e05929290a67401440b39690ae6563279bced5f314609d9d03798f56766"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==3.11.0"
         }
     }
 }
diff --git a/requirements.txt b/requirements.txt
index 6a87ee9..20ace81 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,12 @@
+#
+# These requirements were autogenerated by pipenv
+# To regenerate from the project's Pipfile, run:
+#
+#    pipenv lock --requirements
+#
+
 -i https://pypi.org/simple/
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 click==7.0
 flask==1.0.2