diff --git a/Pipfile.lock b/Pipfile.lock
index 2fa1721..a44ff39 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -25,91 +25,135 @@
         },
         "attrs": {
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+            "version": "==21.2.0"
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         "numpy": {
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