diff --git a/Pipfile.lock b/Pipfile.lock
index b3c0525..1415aa2 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -75,11 +75,10 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
-                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+                "sha256:0ef97238856430dcf9228e07f316aefc17e8939fc8507e18c6501b761ef1a42a",
+                "sha256:2867b7b9f8326499ab5b0e2d12801fa5c98842d2cbd22b35112ae04bf85b4dff"
             ],
-            "index": "pypi",
-            "version": "==19.3.0"
+            "version": "==20.1.0"
         },
         "colorama": {
             "hashes": [
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 39f24f0..15fb49f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,7 +7,7 @@ pyflakes==2.1.1
 py==1.8.0
 more-itertools==8.0.2
 six==1.13.0
-attrs==19.3.0
+attrs==20.1.0
 pluggy==0.13.1
 pytest==5.3.2
 #Coverage