diff --git a/demo.ipynb b/demo.ipynb
index 3b8cf2dc..453c8014 100644
--- a/demo.ipynb
+++ b/demo.ipynb
@@ -353,7 +353,7 @@
    },
    "outputs": [],
    "source": [
-    "!pip install -q ultralytics"
+    "!pip install -q \"ultralytics<=8.3.40\""
    ]
   },
   {
diff --git a/docs/how_to/benchmark_a_model.md b/docs/how_to/benchmark_a_model.md
index ab9b6a13..bf23ee08 100644
--- a/docs/how_to/benchmark_a_model.md
+++ b/docs/how_to/benchmark_a_model.md
@@ -105,7 +105,7 @@ Let's load a model.
     Similarly to Inference, Ultralytics allows you to run a variety of models.
 
     ```bash
-    pip install ultralytics
+    pip install "ultralytics<=8.3.40"
     ```
 
     ```python
diff --git a/docs/notebooks/count-objects-crossing-the-line.ipynb b/docs/notebooks/count-objects-crossing-the-line.ipynb
index a26d8c00..043bb17a 100644
--- a/docs/notebooks/count-objects-crossing-the-line.ipynb
+++ b/docs/notebooks/count-objects-crossing-the-line.ipynb
@@ -130,7 +130,7 @@
             },
             "outputs": [],
             "source": [
-                "!pip install -q ultralytics supervision==0.18.0"
+                "!pip install -q \"ultralytics<=8.3.40\" \"supervision==0.18.0\""
             ]
         },
         {
diff --git a/docs/notebooks/quickstart.ipynb b/docs/notebooks/quickstart.ipynb
index 325dd6bc..f760f63d 100644
--- a/docs/notebooks/quickstart.ipynb
+++ b/docs/notebooks/quickstart.ipynb
@@ -300,7 +300,7 @@
             },
             "outputs": [],
             "source": [
-                "!pip install -q ultralytics"
+                "!pip install -q \"ultralytics<=8.3.40\""
             ]
         },
         {
diff --git a/examples/count_people_in_zone/requirements.txt b/examples/count_people_in_zone/requirements.txt
index 1cd58655..e07ecb06 100644
--- a/examples/count_people_in_zone/requirements.txt
+++ b/examples/count_people_in_zone/requirements.txt
@@ -2,4 +2,4 @@ gdown
 inference==0.9.17
 supervision>=0.20.0
 tqdm
-ultralytics
+ultralytics<=8.3.40
diff --git a/examples/heatmap_and_track/requirements.txt b/examples/heatmap_and_track/requirements.txt
index 27e5e57a..dcf7f53f 100644
--- a/examples/heatmap_and_track/requirements.txt
+++ b/examples/heatmap_and_track/requirements.txt
@@ -1,2 +1,2 @@
 supervision[assets]==0.19.0
-ultralytics
+ultralytics<=8.3.40
diff --git a/examples/time_in_zone/requirements.txt b/examples/time_in_zone/requirements.txt
index 6154c3eb..58e3b78d 100644
--- a/examples/time_in_zone/requirements.txt
+++ b/examples/time_in_zone/requirements.txt
@@ -1,5 +1,5 @@
 opencv-python
 supervision>=0.20.0
-ultralytics
+ultralytics<=8.3.40
 inference==0.9.17
 pytube
diff --git a/examples/tracking/requirements.txt b/examples/tracking/requirements.txt
index a45d9291..f31453c4 100644
--- a/examples/tracking/requirements.txt
+++ b/examples/tracking/requirements.txt
@@ -1,4 +1,4 @@
 inference==0.9.17
 supervision==0.19.0
 tqdm
-ultralytics
+ultralytics<=8.3.40
diff --git a/examples/traffic_analysis/requirements.txt b/examples/traffic_analysis/requirements.txt
index 1cd58655..e07ecb06 100644
--- a/examples/traffic_analysis/requirements.txt
+++ b/examples/traffic_analysis/requirements.txt
@@ -2,4 +2,4 @@ gdown
 inference==0.9.17
 supervision>=0.20.0
 tqdm
-ultralytics
+ultralytics<=8.3.40