diff --git a/CVND_Exercises/requirements.txt b/CVND_Exercises/requirements.txt
index f426d6f..83e1280 100644
--- a/CVND_Exercises/requirements.txt
+++ b/CVND_Exercises/requirements.txt
@@ -1,6 +1,6 @@
 opencv-python==4.9.0.80
 jupyter==1.0.0
-matplotlib==3.9.0
+matplotlib==3.9.1
 pandas==2.2.2
 numpy==1.26.4
 pillow>=6.2.0
diff --git a/P1_Facial_Keypoints/requirements.txt b/P1_Facial_Keypoints/requirements.txt
index b65c8f7..168f779 100644
--- a/P1_Facial_Keypoints/requirements.txt
+++ b/P1_Facial_Keypoints/requirements.txt
@@ -1,5 +1,5 @@
 opencv-python==4.9.0.80
-matplotlib==3.9.0
+matplotlib==3.9.1
 pandas==2.2.2
 numpy==1.26.4
 pillow>=6.2.0
diff --git a/P3_Implement_SLAM/requirements.txt b/P3_Implement_SLAM/requirements.txt
index e4fdd4a..5cdb697 100644
--- a/P3_Implement_SLAM/requirements.txt
+++ b/P3_Implement_SLAM/requirements.txt
@@ -1,5 +1,5 @@
 jupyter==1.0.0
-matplotlib==3.9.0
+matplotlib==3.9.1
 pandas==2.2.2
 numpy==1.26.4
 pillow==10.3.0