diff --git a/environment-dev.yml b/environment-dev.yml
index d10d7b351ba..1a3623f4377 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -5,7 +5,7 @@ dependencies:
   - pandas==1.5.1
   - numpy>=1.18.5
   - pyarrow>=4.0.1
-  - dask[complete]>=2.22.0
+  - dask>=2.22.0
   - distributed>=2.22.0
   - fsspec
   - xarray
diff --git a/requirements/environment-py36.yml b/requirements/environment-py36.yml
index b5f88a4bf89..3303ad03dd6 100644
--- a/requirements/environment-py36.yml
+++ b/requirements/environment-py36.yml
@@ -5,7 +5,7 @@ dependencies:
   - pandas
   - numpy>=1.18.5
   - pyarrow>=4.0.1
-  - dask[complete]>=2.22.0,<2021.3.0
+  - dask>=2.22.0,<2021.3.0
   - distributed>=2.22.0,<2021.3.0
   - pickle5 # for dask to correctly serialize nested functions
   - fsspec