diff --git a/environment.yml b/environment.yml
index d6d3161..e1c93d9 100644
--- a/environment.yml
+++ b/environment.yml
@@ -10,4 +10,6 @@ dependencies:
   - pytest
   - pytest-cov
   - coverage >= 6  # to ensure lcov option is available
+  - pip:
+    ./