diff --git a/Pipfile.lock b/Pipfile.lock
index f53d279..ae6a73f 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -80,53 +80,61 @@
         },
         "cffi": {
             "hashes": [
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-            "version": "==1.14.6"
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+            ],
+            "markers": "python_version >= '3.8'",
+            "version": "==1.16.0"
         },
         "charset-normalizer": {
             "hashes": [
@@ -212,21 +220,33 @@
         },
         "cryptography": {
             "hashes": [
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-            "version": "==3.4.7"
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+            "index": "pypi",
+            "markers": "python_version >= '3.7'",
+            "version": "==41.0.6"
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         "docutils": {
             "hashes": [
@@ -386,11 +406,11 @@
         },
         "pycparser": {
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             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==2.20"
+            "version": "==2.21"
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