diff --git a/docs/environment.yml b/docs/environment.yml
index 118b95feb..fb6837ab2 100644
--- a/docs/environment.yml
+++ b/docs/environment.yml
@@ -12,4 +12,4 @@ dependencies:
 - entrypoints
 - pip:
     - sphinx==1.4.9
-    - nbsphinx --no-deps
+    - nbsphinx