diff --git a/Pipfile.lock b/Pipfile.lock
index 8a647ca6f..3c7432ea5 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -63,10 +63,10 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:69c0dbf2ed392de1cb5ec704444b08a5ef81680a61cb899dc08127123af36a79",
-                "sha256:f0b870f674851ecbfbbbd364d6b5cbdff9dcedbc7f3f5e18a6891057f21fe399"
+                "sha256:2d27e3784d7a565d36ab851fe94887c5eccd6a463168875832a1be79c82828b4",
+                "sha256:626ba8234211db98e869df76230a137c4c40a12d72445c45d5f5b716f076e2fd"
             ],
-            "version": "==19.1.0"
+            "version": "==21.4.0"
         },
         "coverage": {
             "hashes": [