diff --git a/mpcontribs-api/requirements/deployment.txt b/mpcontribs-api/requirements/deployment.txt
index 1f3c1652a2..37092ff499 100644
--- a/mpcontribs-api/requirements/deployment.txt
+++ b/mpcontribs-api/requirements/deployment.txt
@@ -471,7 +471,7 @@ terminado==0.18.1
     #   notebook
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-api/requirements/ubuntu-latest_py3.10.txt b/mpcontribs-api/requirements/ubuntu-latest_py3.10.txt
index 15bc656873..c7226626b6 100644
--- a/mpcontribs-api/requirements/ubuntu-latest_py3.10.txt
+++ b/mpcontribs-api/requirements/ubuntu-latest_py3.10.txt
@@ -470,7 +470,7 @@ terminado==0.18.1
     #   notebook
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-api/requirements/ubuntu-latest_py3.10_extras.txt b/mpcontribs-api/requirements/ubuntu-latest_py3.10_extras.txt
index 301849b5bc..3edd9eb9ee 100644
--- a/mpcontribs-api/requirements/ubuntu-latest_py3.10_extras.txt
+++ b/mpcontribs-api/requirements/ubuntu-latest_py3.10_extras.txt
@@ -488,7 +488,7 @@ tinycss2==1.4.0
     # via nbconvert
 tomli==2.1.0
     # via pytest
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-api/requirements/ubuntu-latest_py3.11.txt b/mpcontribs-api/requirements/ubuntu-latest_py3.11.txt
index dd70eab2f6..2ccef7ba88 100644
--- a/mpcontribs-api/requirements/ubuntu-latest_py3.11.txt
+++ b/mpcontribs-api/requirements/ubuntu-latest_py3.11.txt
@@ -464,7 +464,7 @@ terminado==0.18.1
     #   notebook
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-api/requirements/ubuntu-latest_py3.11_extras.txt b/mpcontribs-api/requirements/ubuntu-latest_py3.11_extras.txt
index cd7b350e5b..f87d854297 100644
--- a/mpcontribs-api/requirements/ubuntu-latest_py3.11_extras.txt
+++ b/mpcontribs-api/requirements/ubuntu-latest_py3.11_extras.txt
@@ -479,7 +479,7 @@ terminado==0.18.1
     #   notebook
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-kernel-gateway/requirements/deployment.txt b/mpcontribs-kernel-gateway/requirements/deployment.txt
index 30d29d1b67..6126449eb4 100644
--- a/mpcontribs-kernel-gateway/requirements/deployment.txt
+++ b/mpcontribs-kernel-gateway/requirements/deployment.txt
@@ -375,7 +375,7 @@ terminado==0.18.1
     #   jupyter-server-terminals
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.10.txt b/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.10.txt
index 21f674a38b..7f1882631c 100644
--- a/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.10.txt
+++ b/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.10.txt
@@ -373,7 +373,7 @@ terminado==0.18.1
     #   jupyter-server-terminals
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.10_extras.txt b/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.10_extras.txt
index 22d419f92f..0c6098429a 100644
--- a/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.10_extras.txt
+++ b/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.10_extras.txt
@@ -373,7 +373,7 @@ terminado==0.18.1
     #   jupyter-server-terminals
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.11.txt b/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.11.txt
index f8d6dc33e5..16dae6c03b 100644
--- a/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.11.txt
+++ b/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.11.txt
@@ -369,7 +369,7 @@ terminado==0.18.1
     #   jupyter-server-terminals
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.11_extras.txt b/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.11_extras.txt
index 9d9c509f01..da43f64c18 100644
--- a/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.11_extras.txt
+++ b/mpcontribs-kernel-gateway/requirements/ubuntu-latest_py3.11_extras.txt
@@ -369,7 +369,7 @@ terminado==0.18.1
     #   jupyter-server-terminals
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-portal/requirements/deployment.txt b/mpcontribs-portal/requirements/deployment.txt
index 15f88f5594..f6e0a54a06 100644
--- a/mpcontribs-portal/requirements/deployment.txt
+++ b/mpcontribs-portal/requirements/deployment.txt
@@ -359,7 +359,7 @@ tenacity==9.0.0
     # via plotly
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-portal/requirements/ubuntu-latest_py3.10.txt b/mpcontribs-portal/requirements/ubuntu-latest_py3.10.txt
index e508e91cbf..1b39145d28 100644
--- a/mpcontribs-portal/requirements/ubuntu-latest_py3.10.txt
+++ b/mpcontribs-portal/requirements/ubuntu-latest_py3.10.txt
@@ -358,7 +358,7 @@ tenacity==9.0.0
     # via plotly
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-portal/requirements/ubuntu-latest_py3.10_extras.txt b/mpcontribs-portal/requirements/ubuntu-latest_py3.10_extras.txt
index 5b60e6106e..c1054c3a69 100644
--- a/mpcontribs-portal/requirements/ubuntu-latest_py3.10_extras.txt
+++ b/mpcontribs-portal/requirements/ubuntu-latest_py3.10_extras.txt
@@ -377,7 +377,7 @@ tinycss2==1.4.0
     # via nbconvert
 tomli==2.1.0
     # via pytest
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-portal/requirements/ubuntu-latest_py3.11.txt b/mpcontribs-portal/requirements/ubuntu-latest_py3.11.txt
index 54c0513191..7b466ae25e 100644
--- a/mpcontribs-portal/requirements/ubuntu-latest_py3.11.txt
+++ b/mpcontribs-portal/requirements/ubuntu-latest_py3.11.txt
@@ -354,7 +354,7 @@ tenacity==9.0.0
     # via plotly
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client
diff --git a/mpcontribs-portal/requirements/ubuntu-latest_py3.11_extras.txt b/mpcontribs-portal/requirements/ubuntu-latest_py3.11_extras.txt
index fcf3f0c5ea..e081b05a94 100644
--- a/mpcontribs-portal/requirements/ubuntu-latest_py3.11_extras.txt
+++ b/mpcontribs-portal/requirements/ubuntu-latest_py3.11_extras.txt
@@ -369,7 +369,7 @@ tenacity==9.0.0
     # via plotly
 tinycss2==1.4.0
     # via nbconvert
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   ipykernel
     #   jupyter-client