diff --git a/README.md b/README.md
index e60342a..268649e 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,9 @@ conda activate stand
 
 conda install cherrypy
 conda install conda-forge::streamlit
+conda install openpyxl # excel writing
+conda install pytables # hdf5 writing
 conda install conda-forge::python-dotenv pyyaml simplejson # aggrid deps
 
 pip install streamlit-aggrid
 ```
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