README.md in cumo-0.4.0 vs README.md in cumo-0.4.1

@@ -5,10 +5,10 @@
 <img src="https://raw.githubusercontent.com/sonots/cumo-logo/master/logo_transparent.png" alt="cumo logo" title="cumo logo" width="50%">
 
 ## Requirements
 
 * Ruby 2.5 or later
-* NVIDIA GPU Compute Capability 6.0 (Pascal) or later
+* NVIDIA GPU Compute Capability 3.5 (Kepler) or later
 * CUDA 9.0 or later
 
 ## Preparation
 
 Install CUDA and set your environment variables as follows: