diff --git a/doc/docs-env.yml b/doc/docs-env.yml
old mode 100644
new mode 100755
index b3499d9f3..159445b7e
--- a/doc/docs-env.yml
+++ b/doc/docs-env.yml
@@ -26,6 +26,6 @@ dependencies:
   - sphinx >=1.7.5
   - sphinx-automodapi >=0.3
   - sphinx-better-theme >=0.1.3
-  - python
+  - python >=3.8
+  - pip
 prefix: docs-build
-