diff --git a/pyproject.toml b/pyproject.toml
index f2059375..d0ab553d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,7 +61,7 @@ classifiers = [
 
 # Required dependencies ------------------------------------------------------------------------------------------------
 dependencies = [
-    "numpy>=1.23.0",
+    "numpy>=1.23.0,<=2.1.1", # OpenVINO and TFLite errors on '--slow' CI Tests https://github.com/ultralytics/ultralytics/pull/18943
     "numpy<2.0.0; sys_platform == 'darwin'", # macOS OpenVINO errors https://github.com/ultralytics/ultralytics/pull/17221
     "matplotlib>=3.3.0",
     "opencv-python>=4.6.0",