diff --git a/robots/little_john/telemetry/code/monitor/graph_plotter_rewrite.py b/robots/little_john/telemetry/code/monitor/graph_plotter_rewrite.py
index 9aac689..6a88260 100755
--- a/robots/little_john/telemetry/code/monitor/graph_plotter_rewrite.py
+++ b/robots/little_john/telemetry/code/monitor/graph_plotter_rewrite.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 
 # Tool to draw live graphs of data coming in from serial port
 # Written as a telemetry tool by:
--
libgit2 0.21.2