diff --git a/requirements.txt b/requirements.txt
index d52d2afb..5f7f88c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@
 cython >= 3.2.5
 jupyter >= 1.1.1
 lxml >= 4.9.3
-matplotlib >= 3.7.1
+matplotlib >= 3.11.0
 notebook >= 6.5.5
 numpy >= 1.23.5
 openpyxl >= 3.1.5
diff --git a/tests/requirements.colab.2024.02.txt b/tests/requirements.colab.2024.02.txt
index 4933e178..565add65 100644
--- a/tests/requirements.colab.2024.02.txt
+++ b/tests/requirements.colab.2024.02.txt
@@ -16,7 +16,7 @@ jupyter_core==5.9.1
 jupyterlab_pygments==0.3.0
 jupyterlab_widgets==3.0.16
 lxml==6.1.1
-matplotlib == 3.10.9
+matplotlib == 3.11.0
 notebook == 7.5.7
 numpy==2.4.6
 openpyxl == 3.1.5
diff --git a/tests/requirements.colab.2025.02.txt b/tests/requirements.colab.2025.02.txt
index de6609c3..d5929c8f 100644
--- a/tests/requirements.colab.2025.02.txt
+++ b/tests/requirements.colab.2025.02.txt
@@ -18,7 +18,7 @@ jupyter_core==5.9.1
 jupyterlab_pygments==0.3.0
 jupyterlab_widgets==3.0.16
 lxml==6.1.1
-matplotlib == 3.10.9
+matplotlib == 3.11.0
 notebook == 7.5.7
 numpy==2.4.6
 openpyxl == 3.1.5
diff --git a/tests/requirements.colab.2026.02.txt b/tests/requirements.colab.2026.02.txt
index ebfe0241..00db02fa 100644
--- a/tests/requirements.colab.2026.02.txt
+++ b/tests/requirements.colab.2026.02.txt
@@ -18,7 +18,7 @@ jupyter_core==5.9.1
 jupyterlab_pygments==0.3.0
 jupyterlab_widgets==3.0.16
 lxml==6.1.1
-matplotlib==3.10.9
+matplotlib==3.11.0
 notebook==7.5.7
 numpy==2.4.6
 openpyxl==3.1.5