diff --git a/Pipfile b/Pipfile
index 76248a3..e458d8d 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,5 +4,5 @@ verify_ssl = true
 name = "pypi"
 
 [dev-packages]
-flake8 = "==5.0.4"
+flake8 = "==6.0.0"
 pep8-naming = "==0.13.2"
diff --git a/Pipfile.lock b/Pipfile.lock
index 46cd20c..ec96b21 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "3516ccaf2380c9b3e3a235a459e4c7322c160e9c203f46a164bc81148383e957"
+            "sha256": "e71fcba14318e8e4cb9b5bbdc70a63325d53e1f1dcd3c1a5742dd61d118b250d"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -17,11 +17,11 @@
     "develop": {
         "flake8": {
             "hashes": [
-                "sha256:6fbe320aad8d6b95cec8b8e47bc933004678dc63095be98528b7bdd2a9f510db",
-                "sha256:7a1cf6b73744f5806ab95e526f6f0d8c01c66d7bbe349562d22dfca20610b248"
+                "sha256:3833794e27ff64ea4e9cf5d410082a8b97ff1a06c16aa3d2027339cd0f1195c7",
+                "sha256:c61007e76655af75e6785a931f452915b371dc48f56efd765247c8fe68f2b181"
             ],
             "index": "pypi",
-            "version": "==5.0.4"
+            "version": "==6.0.0"
         },
         "mccabe": {
             "hashes": [
@@ -41,19 +41,19 @@
         },
         "pycodestyle": {
             "hashes": [
-                "sha256:2c9607871d58c76354b697b42f5d57e1ada7d261c261efac224b664affdc5785",
-                "sha256:d1735fc58b418fd7c5f658d28d943854f8a849b01a5d0a1e6f3f3fdd0166804b"
+                "sha256:347187bdb476329d98f695c213d7295a846d1152ff4fe9bacb8a9590b8ee7053",
+                "sha256:8a4eaf0d0495c7395bdab3589ac2db602797d76207242c17d470186815706610"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==2.9.1"
+            "version": "==2.10.0"
         },
         "pyflakes": {
             "hashes": [
-                "sha256:4579f67d887f804e67edb544428f264b7b24f435b263c4614f384135cea553d2",
-                "sha256:491feb020dca48ccc562a8c0cbe8df07ee13078df59813b83959cbdada312ea3"
+                "sha256:ec55bf7fe21fff7f1ad2f7da62363d749e2a470500eab1b555334b67aa1ef8cf",
+                "sha256:ec8b276a6b60bd80defed25add7e439881c19e64850afd9b346283d4165fd0fd"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==2.5.0"
+            "version": "==3.0.1"
         }
     }
 }