diff --git a/Pipfile.lock b/Pipfile.lock
index 625f24578..e93334f9f 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -115,10 +115,10 @@
         },
         "flake8": {
             "hashes": [
-                "sha256:15e351d19611c887e482fb960eae4d44845013cc142d42896e9862f775d8cf5c",
-                "sha256:f04b9fcbac03b0a3e58c0ab3a0ecc462e023a9faf046d57794184028123aa208"
+                "sha256:479b1304f72536a55948cb40a32dce8bb0ffe3501e26eaf292c7e60eb5e0428d",
+                "sha256:806e034dda44114815e23c16ef92f95c91e4c71100ff52813adf7132a6ad870d"
             ],
-            "version": "==3.8.3"
+            "version": "==4.0.1"
         },
         "importlib-metadata": {
             "hashes": [