diff --git a/_package/setup.py b/_package/setup.py
index 71d8a9e..ede79da 100644
--- a/_package/setup.py
+++ b/_package/setup.py
@@ -12,7 +12,7 @@
 requires = [
     'numpy',
     'xmscore>=6.0.0',
-    'xmsgrid>=7.0.0',
+    'xmsgrid>=7.0.0, <8.0.0',
     'xmsinterp>=6.0.0',
 ]
 
diff --git a/_package/xms/extractor/__init__.py b/_package/xms/extractor/__init__.py
index a7e1475..2ba7a49 100644
--- a/_package/xms/extractor/__init__.py
+++ b/_package/xms/extractor/__init__.py
@@ -2,4 +2,4 @@
 from .ugrid_2d_data_extractor import UGrid2dDataExtractor  # NOQA: F401
 from .ugrid_2d_polyline_data_extractor import UGrid2dPolylineDataExtractor  # NOQA: F401
 
-__version__ = '8.0.0'
+__version__ = '8.0.1'