diff --git a/examples/python-dataflow/requirements.txt b/examples/python-dataflow/requirements.txt
index a8f02b0a..6740879e 100644
--- a/examples/python-dataflow/requirements.txt
+++ b/examples/python-dataflow/requirements.txt
@@ -6,7 +6,7 @@ ultralytics
 gitpython
 ipython  # interactive notebook
 matplotlib>=3.2.2
-numpy>=1.18.5
+numpy>=1.18.5,<2.0.0
 opencv-python>=4.1.1
 Pillow>=7.1.2
 psutil  # system resources
@@ -44,4 +44,4 @@ seaborn>=0.11.0
 # roboflow
 
 opencv-python>=4.1.1
-maturin
\ No newline at end of file
+maturin
diff --git a/examples/python-operator-dataflow/requirements.txt b/examples/python-operator-dataflow/requirements.txt
index 68020faa..6740879e 100644
--- a/examples/python-operator-dataflow/requirements.txt
+++ b/examples/python-operator-dataflow/requirements.txt
@@ -6,7 +6,7 @@ ultralytics
 gitpython
 ipython  # interactive notebook
 matplotlib>=3.2.2
-numpy>=1.18.5
+numpy>=1.18.5,<2.0.0
 opencv-python>=4.1.1
 Pillow>=7.1.2
 psutil  # system resources