diff --git a/dev/env-py38.yaml b/dev/env-py38.yaml
index 1acb6ec4..fd4aa65a 100644
--- a/dev/env-py38.yaml
+++ b/dev/env-py38.yaml
@@ -25,6 +25,7 @@ dependencies:
   - pydantic-settings
   - pyright
   - pytest
+  - pytest-cov
   - pytest-xdist
   - python-dotenv
   - python=3.8 # changed
diff --git a/dev/env-tf.yaml b/dev/env-tf.yaml
index 1e0d4dcc..7f8ae3a7 100644
--- a/dev/env-tf.yaml
+++ b/dev/env-tf.yaml
@@ -25,6 +25,7 @@ dependencies:
   - pydantic-settings
   - pyright
   - pytest
+  - pytest-cov
   - pytest-xdist
   - python-dotenv
   # - python=3.9  # removed
diff --git a/dev/env-wo-python.yaml b/dev/env-wo-python.yaml
index 26139649..6cb0a18e 100644
--- a/dev/env-wo-python.yaml
+++ b/dev/env-wo-python.yaml
@@ -25,6 +25,7 @@ dependencies:
   - pydantic-settings
   - pyright
   - pytest
+  - pytest-cov
   - pytest-xdist
   - python-dotenv
   # - python=3.9  # removed
diff --git a/dev/env.yaml b/dev/env.yaml
index 951029ef..7fa2ab7b 100644
--- a/dev/env.yaml
+++ b/dev/env.yaml
@@ -25,6 +25,7 @@ dependencies:
   - pydantic-settings
   - pyright
   - pytest
+  - pytest-cov
   - pytest-xdist
   - python-dotenv
   - python=3.9