diff --git a/README.md b/README.md
index 52c6da9..63f64ae 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ Options:
 * `-u`, `--show-user` : Display username of the process owner
 * `-c`, `--show-cmd`  : Display the process name
 * `-p`, `--show-pid`  : Display PID of the process
+* `--json`            : JSON Output (Experimental, #10)
 
 ### Tips
 
diff --git a/gpustat.py b/gpustat.py
index 4fe01ec..e2cf1c7 100755
--- a/gpustat.py
+++ b/gpustat.py
@@ -20,7 +20,7 @@
 import platform
 import json
 
-__version__ = '0.3.0.dev'
+__version__ = '0.3.1'
 
 
 class ANSIColors: