diff --git a/tests/requirements-newtonnet.txt b/tests/requirements-newtonnet.txt
index 5603fb55f6..4842b65371 100644
--- a/tests/requirements-newtonnet.txt
+++ b/tests/requirements-newtonnet.txt
@@ -1,3 +1,3 @@
-newtonnet==1.1.1
+newtonnet==2.0.0
 geodesic-interpolate @ git+https://github.com/virtualzx-nad/geodesic-interpolate.git
 sella==2.3.5