diff --git a/Pipfile.lock b/Pipfile.lock
index e58e0d1..116818e 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -34,58 +34,61 @@
         },
         "cffi": {
             "hashes": [
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+            ],
+            "markers": "platform_python_implementation != 'PyPy'",
+            "version": "==1.16.0"
         },
         "charset-normalizer": {
             "hashes": [
@@ -179,31 +182,42 @@
         },
         "cryptography": {
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