diff --git a/Pipfile.lock b/Pipfile.lock
index 86f282a..07696f1 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -55,10 +55,10 @@
     "develop": {
         "attrs": {
             "hashes": [
-                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
-                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+                "sha256:3901be1cb7c2a780f14668691474d9252c070a756be0a9ead98cfeabfa11aeb8",
+                "sha256:8ee1e5f5a1afc5b19bdfae4fdf0c35ed324074bdce3500c939842c8f818645d9"
             ],
-            "version": "==20.3.0"
+            "version": "==21.1.0"
         },
         "coverage": {
             "hashes": [