diff --git a/ci/environment.yml b/ci/environment.yml
index e769eb4..1d77a6f 100644
--- a/ci/environment.yml
+++ b/ci/environment.yml
@@ -49,4 +49,7 @@ dependencies:
   - numba
   - root<=6.30
   - reproject
+pip:
   - speclite>=0.19
+  - ruff
+  - pyright