diff --git a/tests/requirements.colab.2024.02.txt b/tests/requirements.colab.2024.02.txt
index 4933e178..af85d231 100644
--- a/tests/requirements.colab.2024.02.txt
+++ b/tests/requirements.colab.2024.02.txt
@@ -15,7 +15,7 @@ jupyter-server==2.19.0
 jupyter_core==5.9.1
 jupyterlab_pygments==0.3.0
 jupyterlab_widgets==3.0.16
-lxml==6.1.1
+lxml==6.1.2
 matplotlib == 3.10.9
 notebook == 7.5.7
 numpy==2.4.6
diff --git a/tests/requirements.colab.2025.02.txt b/tests/requirements.colab.2025.02.txt
index de6609c3..791f9865 100644
--- a/tests/requirements.colab.2025.02.txt
+++ b/tests/requirements.colab.2025.02.txt
@@ -17,7 +17,7 @@ jupyter-server==2.19.0
 jupyter_core==5.9.1
 jupyterlab_pygments==0.3.0
 jupyterlab_widgets==3.0.16
-lxml==6.1.1
+lxml==6.1.2
 matplotlib == 3.10.9
 notebook == 7.5.7
 numpy==2.4.6
diff --git a/tests/requirements.colab.2026.02.txt b/tests/requirements.colab.2026.02.txt
index ebfe0241..1f77891e 100644
--- a/tests/requirements.colab.2026.02.txt
+++ b/tests/requirements.colab.2026.02.txt
@@ -17,7 +17,7 @@ jupyter-server==2.19.0
 jupyter_core==5.9.1
 jupyterlab_pygments==0.3.0
 jupyterlab_widgets==3.0.16
-lxml==6.1.1
+lxml==6.1.2
 matplotlib==3.10.9
 notebook==7.5.7
 numpy==2.4.6