diff --git a/docs/environment.yml b/docs/environment.yml
index 01ed28f61..da1637783 100644
--- a/docs/environment.yml
+++ b/docs/environment.yml
@@ -12,5 +12,6 @@ dependencies:
 - tornado
 - entrypoints
 - ipykernel
+- pip
 - pip:
     - nbsphinx>=0.7.1