diff --git a/doc/sphinxext/related_software.py b/doc/sphinxext/related_software.py
index f0b6eef649c..4b0541729b0 100644
--- a/doc/sphinxext/related_software.py
+++ b/doc/sphinxext/related_software.py
@@ -33,6 +33,7 @@
     "meggie",
     "niseq",
     "sesameeg",
+    "mne-kit-gui",  # moved to its own env in the installers
 }
 
 # If it's not available on PyPI, add it to this dict: