diff --git a/environment.yml b/environment.yml
index cdfd0fd..60342d0 100644
--- a/environment.yml
+++ b/environment.yml
@@ -13,5 +13,5 @@ dependencies:
       - matplotlib==3.8.2
       - numpy==1.26.2
       - pandas==2.1.4
-      - readDiag==1.2.2
+      - readDiag==1.2.3
       - xarray==2023.12.0
diff --git a/gsidiag/__init__.py b/gsidiag/__init__.py
index 16f3cef..9924098 100644
--- a/gsidiag/__init__.py
+++ b/gsidiag/__init__.py
@@ -25,7 +25,7 @@
 from .datasources import getVarInfo
 
 __name__    = 'readDiag'
-__version__ = '1.2.1'
+__version__ = '1.2.3'
 
 #EOC
 #-----------------------------------------------------------------------------#
diff --git a/requirements.txt b/requirements.txt
index d1817f7..2774b2f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,5 @@ jupyterlab==4.0.9
 matplotlib==3.8.2
 numpy==1.26.2
 pandas==2.1.4
-readDiag==1.2.2
+readDiag==1.2.3
 xarray==2023.12.0
diff --git a/setup.py b/setup.py
index 8d7a834..814f4c0 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
 if __name__ == "__main__":
     from numpy.distutils.core import setup
     setup(name='readDiag',
-          version='1.2.2',
+          version='1.2.3',
           long_description=open('README.md').read(),
           long_description_content_type='text/markdown',
           description='A Python class to read and plot the Gridpoint Statistical Interpolation diagnostics files.',
@@ -49,7 +49,7 @@
           packages=['gsidiag'],
           package_data={'': ['table']},
 
-          install_requires=['numpy>=1.22','matplotlib', 'xarray', 'Cartopy>=0.22.0', 'geopandas', 'jupyterlab'],
+          install_requires=['numpy>=1.22','matplotlib==3.8.2', 'xarray', 'Cartopy>=0.22.0', 'geopandas', 'jupyterlab'],
           platforms=['any'],
           zip_safe=False, 
           ext_modules=[ext],