diff --git a/Pipfile.lock b/Pipfile.lock
index b3c0525..1921796 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -133,11 +133,10 @@
         },
         "flake8": {
             "hashes": [
-                "sha256:45681a117ecc81e870cbf1262835ae4af5e7a8b08e40b944a8a6e6b895914cfb",
-                "sha256:49356e766643ad15072a789a20915d3c91dc89fd313ccd71802303fd67e4deca"
+                "sha256:6c1193b0c3f853ef763969238f6c81e9e63ace9d024518edc020d5f1d6d93195",
+                "sha256:ea6623797bf9a52f4c9577d780da0bb17d65f870213f7b5bcc9fca82540c31d5"
             ],
-            "index": "pypi",
-            "version": "==3.7.9"
+            "version": "==3.8.1"
         },
         "importlib-metadata": {
             "hashes": [
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 39f24f0..3947c87 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-flake8==3.7.9
+flake8==3.8.1
 mccabe==0.6.1
 pycodestyle==2.5.0
 pyflakes==2.1.1