FROM nvcr.io/nvidia/pytorch:21.05-py3
diff --git a/Dockerfile b/Dockerfile
index a5b9da06a3d..e22c1106f23 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Start FROM Nvidia PyTorch image https://ngc.nvidia.com/catalog/containers/nvidia:pytorch
-FROM nvcr.io/nvidia/pytorch:21.06-py3
+FROM nvcr.io/nvidia/pytorch:21.05-py3
 
 # Install linux packages
 RUN apt update && apt install -y zip htop screen libgl1-mesa-glx



## 🛠️ PR Summary

<sub>Made with ❤️ by [Ultralytics Actions](https://github.com/ultralytics/actions)<sub>

### 🌟 Summary
Updated the base Docker image in the `ultralytics/yolov5` project.

### 📊 Key Changes
- Changed the Nvidia PyTorch base image from version 21.06 to 21.05.

### 🎯 Purpose & Impact
- This adjustment ensures compatibility or leverages specific features available in the 21.05 PyTorch image.
- Users building the Docker container may notice differences in dependencies or performance associated with the version change.