diff --git a/ci/environment.yml b/ci/environment.yml
index 1641ca22..25ccb087 100644
--- a/ci/environment.yml
+++ b/ci/environment.yml
@@ -9,6 +9,6 @@ dependencies:
   - pytest-cov
   - pytest-sugar
   - wrf-python
-  - xarray>=0.18
+  - xarray>=0.18,!=0.20.0,!=0.20.1
   - pip:
       - -r ../requirements.txt
diff --git a/docs/environment.yml b/docs/environment.yml
index 12901866..befad722 100644
--- a/docs/environment.yml
+++ b/docs/environment.yml
@@ -14,7 +14,7 @@ dependencies:
   - sphinx-comments
   - sphinx-copybutton
   - sphinx-inline-tabs
-  - xarray
+  - xarray>=0.18,!=0.20.0,!=0.20.1
   - sphinx-autobuild
   - pip:
       - sphinxext-opengraph
diff --git a/requirements.txt b/requirements.txt
index e42a701a..eb685622 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 netCDF4>=1.5.5
-xarray>=0.18
+xarray>=0.18,!=0.20.0,!=0.20.1
 pyproj>=2.4.1