diff --git a/setup.py b/setup.py
index 88eda2e..a85d526 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
     package_data={"AniMAIRE":[
                                 "anisotropic_MAIRE_engine/data/*.csv"
                                          ]},
-    version='1.2.2',
+    version='1.2.3',
     description='Python library for running the anisotropic version of MAIRE+',
     long_description=long_description,
     long_description_content_type='text/markdown',
@@ -47,7 +47,7 @@
                         'plotly >= 5.9.0',
                         'numba >= 0.57.1',
                         'metpy >= 1.5.1',
-                        'CosRayModifiedISO >= 1.2.3',
+                        'CosRayModifiedISO >= 1.2.9',
                         'AsympDirsCalculator >= 1.0.8',
                         'seaborn >= 0.13.2',
                         'geopandas >= 0.11.1',