diff --git a/Pipfile.lock b/Pipfile.lock
index 625f24578..1966e328b 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -62,10 +62,10 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
-                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+                "sha256:50f3c9b216dc9021042f71b392859a773b904ce1a029077f58f6598272432045",
+                "sha256:8f7335278dedd26b58c38e006338242cc0977f06d51579b2b8b87b9b33bff66c"
             ],
-            "version": "==19.3.0"
+            "version": "==21.3.0"
         },
         "coverage": {
             "hashes": [