diff --git a/Pipfile.lock b/Pipfile.lock
index a0bd946..8a10e30 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -67,12 +67,8 @@
             "version": "==6.1.0"
         },
         "gunicorn": {
-            "hashes": [
-                "sha256:9dcc4547dbb1cb284accfb15ab5667a0e5d1881cc443e0677b4882a4067a807e",
-                "sha256:e0a968b5ba15f8a328fdfd7ab1fcb5af4470c28aaf7e55df02a99bc13138e6e8"
-            ],
-            "index": "pypi",
-            "version": "==20.1.0"
+            "hashes": [],
+            "version": "==21.2.0"
         },
         "mccabe": {
             "hashes": [