diff --git a/tests/requirements.colab.2024.02.txt b/tests/requirements.colab.2024.02.txt
index 4933e178..62976275 100644
--- a/tests/requirements.colab.2024.02.txt
+++ b/tests/requirements.colab.2024.02.txt
@@ -11,7 +11,7 @@ Cython==3.2.5
 graphviz==0.21
 jupyter-client==8.8.0
 jupyter-console==6.6.3
-jupyter-server==2.19.0
+jupyter-server==2.20.0
 jupyter_core==5.9.1
 jupyterlab_pygments==0.3.0
 jupyterlab_widgets==3.0.16
diff --git a/tests/requirements.colab.2025.02.txt b/tests/requirements.colab.2025.02.txt
index de6609c3..7ea76907 100644
--- a/tests/requirements.colab.2025.02.txt
+++ b/tests/requirements.colab.2025.02.txt
@@ -13,7 +13,7 @@ html5lib==1.1
 ipywidgets==8.1.8
 jupyter-client==8.8.0
 jupyter-console==6.6.3
-jupyter-server==2.19.0
+jupyter-server==2.20.0
 jupyter_core==5.9.1
 jupyterlab_pygments==0.3.0
 jupyterlab_widgets==3.0.16
diff --git a/tests/requirements.colab.2026.02.txt b/tests/requirements.colab.2026.02.txt
index ebfe0241..d995fe25 100644
--- a/tests/requirements.colab.2026.02.txt
+++ b/tests/requirements.colab.2026.02.txt
@@ -13,7 +13,7 @@ html5lib==1.1
 ipywidgets==8.1.8
 jupyter-client==8.8.0
 jupyter-console==6.6.3
-jupyter-server==2.19.0
+jupyter-server==2.20.0
 jupyter_core==5.9.1
 jupyterlab_pygments==0.3.0
 jupyterlab_widgets==3.0.16