diff --git a/Pipfile.lock b/Pipfile.lock
index f2f914c..24233e5 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -395,10 +395,12 @@
         },
         "mistune": {
             "hashes": [
-                "sha256:59a3429db53c50b5c6bcc8a07f8848cb00d7dc8bdb431a4ab41920d201d4756e",
-                "sha256:88a1051873018da288eee8538d476dffe1262495144b33ecb586c4ab266bb8d4"
+                "sha256:78cdb0ba5e938053ccf63651b352508d2efa9411dc8810bfb05f2dc5140c0048",
+                "sha256:7c8e5501d38bac1582e067e46c8343f17d57ea1aaa735823f3aba1fd59c88a28"
             ],
-            "version": "==0.8.4"
+            "index": "pypi",
+            "markers": "python_version >= '3.8'",
+            "version": "==3.2.1"
         },
         "nbclient": {
             "hashes": [