diff --git a/requirements/dev-requirements.txt b/requirements/dev-requirements.txt
index 8eba1c4c..2aa9fa3f 100644
--- a/requirements/dev-requirements.txt
+++ b/requirements/dev-requirements.txt
@@ -1336,18 +1336,18 @@ tomli==2.0.1 \
     # via
     #   coverage
     #   pytest
-tornado==6.3.2 \
-    --hash=sha256:05615096845cf50a895026f749195bf0b10b8909f9be672f50b0fe69cba368e4 \
-    --hash=sha256:0c325e66c8123c606eea33084976c832aa4e766b7dff8aedd7587ea44a604cdf \
-    --hash=sha256:29e71c847a35f6e10ca3b5c2990a52ce38b233019d8e858b755ea6ce4dcdd19d \
-    --hash=sha256:4b927c4f19b71e627b13f3db2324e4ae660527143f9e1f2e2fb404f3a187e2ba \
-    --hash=sha256:5b17b1cf5f8354efa3d37c6e28fdfd9c1c1e5122f2cb56dac121ac61baa47cbe \
-    --hash=sha256:6a0848f1aea0d196a7c4f6772197cbe2abc4266f836b0aac76947872cd29b411 \
-    --hash=sha256:7efcbcc30b7c654eb6a8c9c9da787a851c18f8ccd4a5a3a95b05c7accfa068d2 \
-    --hash=sha256:834ae7540ad3a83199a8da8f9f2d383e3c3d5130a328889e4cc991acc81e87a0 \
-    --hash=sha256:b46a6ab20f5c7c1cb949c72c1994a4585d2eaa0be4853f50a03b5031e964fc7c \
-    --hash=sha256:c2de14066c4a38b4ecbbcd55c5cc4b5340eb04f1c5e81da7451ef555859c833f \
-    --hash=sha256:c367ab6c0393d71171123ca5515c61ff62fe09024fa6bf299cd1339dc9456829
+tornado==6.3.3 \
+    --hash=sha256:1bd19ca6c16882e4d37368e0152f99c099bad93e0950ce55e71daed74045908f \
+    --hash=sha256:22d3c2fa10b5793da13c807e6fc38ff49a4f6e1e3868b0a6f4164768bb8e20f5 \
+    --hash=sha256:502fba735c84450974fec147340016ad928d29f1e91f49be168c0a4c18181e1d \
+    --hash=sha256:65ceca9500383fbdf33a98c0087cb975b2ef3bfb874cb35b8de8740cf7f41bd3 \
+    --hash=sha256:71a8db65160a3c55d61839b7302a9a400074c9c753040455494e2af74e2501f2 \
+    --hash=sha256:7ac51f42808cca9b3613f51ffe2a965c8525cb1b00b7b2d56828b8045354f76a \
+    --hash=sha256:7d01abc57ea0dbb51ddfed477dfe22719d376119844e33c661d873bf9c0e4a16 \
+    --hash=sha256:805d507b1f588320c26f7f097108eb4023bbaa984d63176d1652e184ba24270a \
+    --hash=sha256:9dc4444c0defcd3929d5c1eb5706cbe1b116e762ff3e0deca8b715d14bf6ec17 \
+    --hash=sha256:ceb917a50cd35882b57600709dd5421a418c29ddc852da8bcdab1f0db33406b0 \
+    --hash=sha256:e7d8db41c0181c80d76c982aacc442c0783a2c54d6400fe028954201a2e032fe
     # via
     #   -r requirements/fitting-requirements.txt
     #   ipykernel
diff --git a/requirements/fitting-requirements.txt b/requirements/fitting-requirements.txt
index 111ced8f..5036c1a9 100644
--- a/requirements/fitting-requirements.txt
+++ b/requirements/fitting-requirements.txt
@@ -1091,18 +1091,18 @@ tinycss2==1.1.1 \
     --hash=sha256:b2e44dd8883c360c35dd0d1b5aad0b610e5156c2cb3b33434634e539ead9d8bf \
     --hash=sha256:fe794ceaadfe3cf3e686b22155d0da5780dd0e273471a51846d0a02bc204fec8
     # via nbconvert
-tornado==6.3.2 \
-    --hash=sha256:05615096845cf50a895026f749195bf0b10b8909f9be672f50b0fe69cba368e4 \
-    --hash=sha256:0c325e66c8123c606eea33084976c832aa4e766b7dff8aedd7587ea44a604cdf \
-    --hash=sha256:29e71c847a35f6e10ca3b5c2990a52ce38b233019d8e858b755ea6ce4dcdd19d \
-    --hash=sha256:4b927c4f19b71e627b13f3db2324e4ae660527143f9e1f2e2fb404f3a187e2ba \
-    --hash=sha256:5b17b1cf5f8354efa3d37c6e28fdfd9c1c1e5122f2cb56dac121ac61baa47cbe \
-    --hash=sha256:6a0848f1aea0d196a7c4f6772197cbe2abc4266f836b0aac76947872cd29b411 \
-    --hash=sha256:7efcbcc30b7c654eb6a8c9c9da787a851c18f8ccd4a5a3a95b05c7accfa068d2 \
-    --hash=sha256:834ae7540ad3a83199a8da8f9f2d383e3c3d5130a328889e4cc991acc81e87a0 \
-    --hash=sha256:b46a6ab20f5c7c1cb949c72c1994a4585d2eaa0be4853f50a03b5031e964fc7c \
-    --hash=sha256:c2de14066c4a38b4ecbbcd55c5cc4b5340eb04f1c5e81da7451ef555859c833f \
-    --hash=sha256:c367ab6c0393d71171123ca5515c61ff62fe09024fa6bf299cd1339dc9456829
+tornado==6.3.3 \
+    --hash=sha256:1bd19ca6c16882e4d37368e0152f99c099bad93e0950ce55e71daed74045908f \
+    --hash=sha256:22d3c2fa10b5793da13c807e6fc38ff49a4f6e1e3868b0a6f4164768bb8e20f5 \
+    --hash=sha256:502fba735c84450974fec147340016ad928d29f1e91f49be168c0a4c18181e1d \
+    --hash=sha256:65ceca9500383fbdf33a98c0087cb975b2ef3bfb874cb35b8de8740cf7f41bd3 \
+    --hash=sha256:71a8db65160a3c55d61839b7302a9a400074c9c753040455494e2af74e2501f2 \
+    --hash=sha256:7ac51f42808cca9b3613f51ffe2a965c8525cb1b00b7b2d56828b8045354f76a \
+    --hash=sha256:7d01abc57ea0dbb51ddfed477dfe22719d376119844e33c661d873bf9c0e4a16 \
+    --hash=sha256:805d507b1f588320c26f7f097108eb4023bbaa984d63176d1652e184ba24270a \
+    --hash=sha256:9dc4444c0defcd3929d5c1eb5706cbe1b116e762ff3e0deca8b715d14bf6ec17 \
+    --hash=sha256:ceb917a50cd35882b57600709dd5421a418c29ddc852da8bcdab1f0db33406b0 \
+    --hash=sha256:e7d8db41c0181c80d76c982aacc442c0783a2c54d6400fe028954201a2e032fe
     # via
     #   ipykernel
     #   jupyter-client