diff --git a/Pipfile b/Pipfile
index 63b0248e..f8b811c2 100644
--- a/Pipfile
+++ b/Pipfile
@@ -56,7 +56,7 @@ sqlparse = "~=0.5.0"
 static3 = "~=0.7.0"
 svg2rlg = "~=0.3"
 tini = "~=3.0.1"
-tornado = "~=6.3"
+tornado = "~=6.4"
 urllib3 = "~=1.26.19"
 whitenoise = "~=5.2.0"
 yolk = "~=0.4.3"
diff --git a/Pipfile.lock b/Pipfile.lock
index cf82ccfc..91516ecd 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "641c8452654d194106ec4339baeab760361695bbe91edf7f0c7483551656ab8e"
+            "sha256": "1d06469fc6290ec672f9ba086ae47f307dfdb282ca3a62d1390841c0db0c9271"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -1216,21 +1216,21 @@
         },
         "tornado": {
             "hashes": [
-                "sha256:1bd19ca6c16882e4d37368e0152f99c099bad93e0950ce55e71daed74045908f",
-                "sha256:22d3c2fa10b5793da13c807e6fc38ff49a4f6e1e3868b0a6f4164768bb8e20f5",
-                "sha256:502fba735c84450974fec147340016ad928d29f1e91f49be168c0a4c18181e1d",
-                "sha256:65ceca9500383fbdf33a98c0087cb975b2ef3bfb874cb35b8de8740cf7f41bd3",
-                "sha256:71a8db65160a3c55d61839b7302a9a400074c9c753040455494e2af74e2501f2",
-                "sha256:7ac51f42808cca9b3613f51ffe2a965c8525cb1b00b7b2d56828b8045354f76a",
-                "sha256:7d01abc57ea0dbb51ddfed477dfe22719d376119844e33c661d873bf9c0e4a16",
-                "sha256:805d507b1f588320c26f7f097108eb4023bbaa984d63176d1652e184ba24270a",
-                "sha256:9dc4444c0defcd3929d5c1eb5706cbe1b116e762ff3e0deca8b715d14bf6ec17",
-                "sha256:ceb917a50cd35882b57600709dd5421a418c29ddc852da8bcdab1f0db33406b0",
-                "sha256:e7d8db41c0181c80d76c982aacc442c0783a2c54d6400fe028954201a2e032fe"
+                "sha256:163b0aafc8e23d8cdc3c9dfb24c5368af84a81e3364745ccb4427669bf84aec8",
+                "sha256:25486eb223babe3eed4b8aecbac33b37e3dd6d776bc730ca14e1bf93888b979f",
+                "sha256:454db8a7ecfcf2ff6042dde58404164d969b6f5d58b926da15e6b23817950fc4",
+                "sha256:613bf4ddf5c7a95509218b149b555621497a6cc0d46ac341b30bd9ec19eac7f3",
+                "sha256:6d5ce3437e18a2b66fbadb183c1d3364fb03f2be71299e7d10dbeeb69f4b2a14",
+                "sha256:8ae50a504a740365267b2a8d1a90c9fbc86b780a39170feca9bcc1787ff80842",
+                "sha256:92d3ab53183d8c50f8204a51e6f91d18a15d5ef261e84d452800d4ff6fc504e9",
+                "sha256:a02a08cc7a9314b006f653ce40483b9b3c12cda222d6a46d4ac63bb6c9057698",
+                "sha256:b24b8982ed444378d7f21d563f4180a2de31ced9d8d84443907a0a64da2072e7",
+                "sha256:d9a566c40b89757c9aa8e6f032bcdb8ca8795d7c1a9762910c722b1635c9de4d",
+                "sha256:e2e20b9113cd7293f164dc46fffb13535266e713cdb87bd2d15ddb336e96cfc4"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.8'",
-            "version": "==6.3.3"
+            "version": "==6.4.1"
         },
         "trio": {
             "hashes": [