diff --git a/envs/environment.yaml b/envs/environment.yaml
index 8bd7428f..e60a2261 100644
--- a/envs/environment.yaml
+++ b/envs/environment.yaml
@@ -54,6 +54,7 @@ dependencies:
   - pytz
   - tabula-py
   - mergedeep
+  - pyxlsb
 
   - pip:
     - vresutils>=0.3.1