diff --git a/tests/test_gaussian_propagator.py b/tests/test_gaussian_propagator.py
index 448423ab..5a4cb353 100644
--- a/tests/test_gaussian_propagator.py
+++ b/tests/test_gaussian_propagator.py
@@ -66,7 +66,7 @@ def test_3D_case(gaussian):
     dim = "xyt"
     lo = (-25e-6, -25e-6, -60e-15)
     hi = (+25e-6, +25e-6, +60e-15)
-    npoints = (100, 100, 100)
+    npoints = (200, 200, 100)
 
     laser = Laser(dim, lo, hi, npoints, gaussian)
     check_gaussian_propagation(laser)
@@ -77,7 +77,7 @@ def test_RT_case(gaussian):
     dim = "rt"
     lo = (0e-6, -60e-15)
     hi = (25e-6, +60e-15)
-    npoints = (100, 100)
+    npoints = (200, 100)
 
     laser = Laser(dim, lo, hi, npoints, gaussian)
     check_gaussian_propagation(laser)