diff --git a/ci/requirements/doc.yml b/ci/requirements/doc.yml
index f722b9d1535..a27a26d5cac 100644
--- a/ci/requirements/doc.yml
+++ b/ci/requirements/doc.yml
@@ -8,7 +8,7 @@ dependencies:
   - bottleneck
   - cartopy
   - cfgrib>=0.9
-  - dask>=2.10
+  - dask-core>=2.30
   - h5netcdf>=0.7.4
   - ipykernel
   - ipython
diff --git a/ci/requirements/environment-windows.yml b/ci/requirements/environment-windows.yml
index 2468ec6267e..dcd9defe3ee 100644
--- a/ci/requirements/environment-windows.yml
+++ b/ci/requirements/environment-windows.yml
@@ -8,7 +8,7 @@ dependencies:
   # - cdms2  # Not available on Windows
   # - cfgrib  # Causes Python interpreter crash on Windows: https://github.com/pydata/xarray/pull/3340
   - cftime
-  - dask
+  - dask-core
   - distributed
   - fsspec!=2021.7.0
   - h5netcdf
diff --git a/ci/requirements/environment.yml b/ci/requirements/environment.yml
index 162faa7b74d..280aa1bf311 100644
--- a/ci/requirements/environment.yml
+++ b/ci/requirements/environment.yml
@@ -10,7 +10,7 @@ dependencies:
   - cdms2
   - cfgrib
   - cftime
-  - dask
+  - dask-core
   - distributed
   - fsspec!=2021.7.0
   - h5netcdf
diff --git a/ci/requirements/py37-min-all-deps.yml b/ci/requirements/py37-min-all-deps.yml
index e62987dd31a..501942a214e 100644
--- a/ci/requirements/py37-min-all-deps.yml
+++ b/ci/requirements/py37-min-all-deps.yml
@@ -16,7 +16,7 @@ dependencies:
   - cfgrib=0.9
   - cftime=1.2
   - coveralls
-  - dask=2.30
+  - dask-core=2.30
   - distributed=2.30
   - h5netcdf=0.8
   - h5py=2.10