diff --git a/support/doc/dependencies.md b/support/doc/dependencies.md
index 61f8b7f36..350a7c4a0 100644
--- a/support/doc/dependencies.md
+++ b/support/doc/dependencies.md
@@ -2,6 +2,8 @@
 
 Follow the below guides, and check their versions match [required external dependencies versions](https://github.com/Chocobozzz/PeerTube/blob/master/package.json#7). You can check them automatically via `sudo npx engineslist`.
 
+_note_: only **LTS** versions of external dependencies are supported. If no LTS version matching the version constraint is available, only **release** versions are supported.
+
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