diff --git a/environment.yml b/environment.yml
index 24de4cf..beb0796 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,4 +4,9 @@ channels:
   - defaults
 dependencies:
   - python=3.7
-  - xlwt=1.3.0=py37_0
\ No newline at end of file
+  - xlwt=1.3.0=py37_0
+  - pip
+  - pip:
+    - sphinx
+    - sphinx_rtd_theme
+    - openpyxl
\ No newline at end of file