diff --git a/environment.yml b/environment.yml
index d0b54f25390..0f370bbc7b2 100644
--- a/environment.yml
+++ b/environment.yml
@@ -9,6 +9,7 @@ dependencies:
     - numpy
     - pandas
     - xarray
+    - netCDF4
     - packaging
     - ipython
     - matplotlib
diff --git a/requirements.txt b/requirements.txt
index b3d12bc40b3..a5986cc4937 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,7 @@ gmt=6.0.0*
 numpy
 pandas
 xarray
+netCDF4
 packaging
 # The following are required for development purposes
 ipython
diff --git a/setup.py b/setup.py
index 621529fcbde..e4dc8480394 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@
     "License :: OSI Approved :: {}".format(LICENSE),
 ]
 PLATFORMS = "Any"
-INSTALL_REQUIRES = ["numpy", "pandas", "xarray", "packaging"]
+INSTALL_REQUIRES = ["numpy", "pandas", "xarray", "netCDF4", "packaging"]
 
 if __name__ == "__main__":
     setup(