diff --git a/Pipfile b/Pipfile
index 59cdc96..7728c4b 100644
--- a/Pipfile
+++ b/Pipfile
@@ -10,7 +10,7 @@ absl-py = "==0.6.1"
 appnope = "==0.1.0"
 astor = "==0.7.1"
 backcall = "==0.1.0"
-bleach = "==3.0.2"
+bleach = "==3.3.0"
 decorator = "==4.3.0"
 defusedxml = "==0.5.0"
 entrypoints = "==0.2.3"
diff --git a/Pipfile.lock b/Pipfile.lock
index e5ee338..34895eb 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "a0cceda70977716dd85a2e97a64d3b32dbdbb528dc4164265ea71cad39306dbe"
+            "sha256": "611e1a787d42cf8edd99be61e30ffbf87aaeb6ef11e2453589d5673d702d39fa"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -49,11 +49,11 @@
         },
         "bleach": {
             "hashes": [
-                "sha256:48d39675b80a75f6d1c3bdbffec791cf0bbbab665cf01e20da701c77de278718",
-                "sha256:73d26f018af5d5adcdabf5c1c974add4361a9c76af215fe32fdec8a6fc5fb9b9"
+                "sha256:6123ddc1052673e52bab52cdc955bcb57a015264a1c57d37bea2f6b817af0125",
+                "sha256:98b3170739e5e83dd9dc19633f074727ad848cbedb6026708c8ac2d3b697a433"
             ],
             "index": "pypi",
-            "version": "==3.0.2"
+            "version": "==3.3.0"
         },
         "decorator": {
             "hashes": [
@@ -389,6 +389,13 @@
             "index": "pypi",
             "version": "==1.15.4"
         },
+        "packaging": {
+            "hashes": [
+                "sha256:5b327ac1320dc863dca72f4514ecc086f31186744b84a230374cc1fd776feae5",
+                "sha256:67714da7f7bc052e064859c05c595155bd1ee9f69f76557e21f051443c20947a"
+            ],
+            "version": "==20.9"
+        },
         "pandocfilters": {
             "hashes": [
                 "sha256:b3dd70e169bb5449e6bc6ff96aea89c5eea8c5f6ab5e207fc2f521a2cf4a0da9"
@@ -474,6 +481,13 @@
             "index": "pypi",
             "version": "==2.2.0"
         },
+        "pyparsing": {
+            "hashes": [
+                "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
+                "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
+            ],
+            "version": "==2.4.7"
+        },
         "python-dateutil": {
             "hashes": [
                 "sha256:063df5763652e21de43de7d9e00ccf239f953a832941e37be541614732cdfc93",
@@ -658,11 +672,11 @@
         },
         "wheel": {
             "hashes": [
-                "sha256:66a8fd76f28977bb664b098372daef2b27f60dc4d1688cfab7b37a09448f0e9d",
-                "sha256:8eb4a788b3aec8abf5ff68d4165441bc57420c9f64ca5f471f58c3969fe08668"
+                "sha256:78b5b185f0e5763c26ca1e324373aadd49182ca90e825f7853f4b2509215dc0e",
+                "sha256:e11eefd162658ea59a60a0f6c7d493a7190ea4b9a85e335b33489d9f17e0245e"
             ],
             "markers": "python_version >= '3'",
-            "version": "==0.33.1"
+            "version": "==0.36.2"
         },
         "widgetsnbextension": {
             "hashes": [