diff --git a/setup.py b/setup.py
index 25d873e0b2..d86719990a 100644
--- a/setup.py
+++ b/setup.py
@@ -88,7 +88,7 @@
           'bottleneck>=1.2',
         # 'fits_storage>=3.4.0',  # this would need uploading to PyPI first
           'future>=0.17',
-          'gwcs>=0.19,<=0.22.1',
+          'gwcs>=0.19,<=0.24.0',
           'holoviews>=1.20',
           'jinja2>=3.0',
           'jsonschema>=3.0',