diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f98145..b6e8acd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [PEP 440](https://www.python.org/dev/peps/pep-0440/)
 and uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.3.5]
+
+### Added
+* Include `dask` in environment.yml as it appears to not be correctly handled in pandera: https://github.com/unionai-oss/pandera/issues/1525
+
 ## [0.3.4]
 
 ### Changed
diff --git a/environment.yml b/environment.yml
index 3d96de9..794fd55 100644
--- a/environment.yml
+++ b/environment.yml
@@ -7,6 +7,7 @@ dependencies:
  - affine
  - asf_search>=5.0.0
  - boto3
+ - dask  # see https://github.com/unionai-oss/pandera/issues/1525
  - dateparser
  - flake8
  - flake8-blind-except