diff --git a/docs/gallery/plot_parallel_computing.py b/docs/gallery/plot_parallel_computing.py
index e832b7a..1d3e0f5 100644
--- a/docs/gallery/plot_parallel_computing.py
+++ b/docs/gallery/plot_parallel_computing.py
@@ -134,5 +134,5 @@
 vi_cube = (cube.B8 - cube.B4) / (cube.B8 + cube.B4)
 print(vi_cube)
 monitor = CuSum()
-monitor.fit(vi_cube, method='OLS', n_threads=3)
+monitor.fit(vi_cube, method='OLS', n_threads=2)
 print(type(monitor.beta))