diff --git a/Pipfile.lock b/Pipfile.lock
index 5b559334..00a14807 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -341,11 +341,10 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:26b54ddbbb9ee1d34d5d3668dd37d6cf74990ab23c828c2888dccdceee395594",
-                "sha256:fce7fc47dfc976152e82d53ff92fa0407700c21acd20886a13777a0d20e655dc"
+                "sha256:50f3c9b216dc9021042f71b392859a773b904ce1a029077f58f6598272432045",
+                "sha256:8f7335278dedd26b58c38e006338242cc0977f06d51579b2b8b87b9b33bff66c"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==20.2.0"
+            "version": "==21.3.0"
         },
         "certifi": {
             "hashes": [