diff --git a/Pipfile b/Pipfile
index b2f7ea3..edf8c7c 100644
--- a/Pipfile
+++ b/Pipfile
@@ -1,36 +1,29 @@
 [[source]]
-
 name = "pypi"
 url = "https://pypi.org/simple"
 verify_ssl = true
 
-
 [dev-packages]
-
+attrs = "*"
+coverage = "*"
 flake8 = "*"
 mccabe = "*"
-pycodestyle = "*"
-pyflakes = "*"
-py = "*"
 more-itertools = "*"
-six = "*"
-attrs = "*"
 pluggy = "*"
+py = "*"
+pycodestyle = "*"
+pyflakes = "*"
 pytest = "*"
-coverage = "*"
 pytest-cov = "*"
-
+six = "*"
 
 [packages]
-
-certifi = "==2019.11.28"
+certifi = "==2022.5.18"
 chardet = "*"
 idna = "*"
 mccabe = "*"
 requests = "*"
 urllib3 = "*"
 
-
 [requires]
-
 python_version = "3.7"
diff --git a/Pipfile.lock b/Pipfile.lock
index b3c0525..96a0f37 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,10 +18,10 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
-                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
+                "sha256:6ae10321df3e464305a46e997da41ea56c1d311fb9ff1dd4e04d6f14653ec63a",
+                "sha256:8d15a5a7fde18536a249c49e07e8e462b8fc13de21b3c80e8a68315dfa227c99"
             ],
-            "version": "==2019.11.28"
+            "version": "==2022.5.18"
         },
         "chardet": {
             "hashes": [
diff --git a/requirements.txt b/requirements.txt
index 0c36bfe..8502572 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.11.28
+certifi==2022.5.18
 chardet==3.0.4
 idna==2.8
 mccabe==0.6.1