diff --git a/environment.yml b/environment.yml
index c1669c9f49017..ff7c5d56052d2 100644
--- a/environment.yml
+++ b/environment.yml
@@ -19,6 +19,7 @@ dependencies:
   - hypothesis>=3.82
   - isort
   - moto
+  - pycodestyle=2.4
   - pytest>=4.0.2
   - pytest-mock
   - sphinx
diff --git a/requirements-dev.txt b/requirements-dev.txt
index be84c6f29fdeb..02d8b0a70aab6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -10,6 +10,7 @@ gitpython
 hypothesis>=3.82
 isort
 moto
+pycodestyle==2.4
 pytest>=4.0.2
 pytest-mock
 sphinx