diff --git a/doc/changes/unreleased.md b/doc/changes/unreleased.md
index 7ffa731..37de629 100644
--- a/doc/changes/unreleased.md
+++ b/doc/changes/unreleased.md
@@ -11,6 +11,7 @@
 
 ## 🔩 Internal
 
+* Add missing plugin for multiversion documentation
 * Add support for publishing documentation to gh pages
 * Add `.git-blame-ignore-revs` file to workspace
 
diff --git a/doc/conf.py b/doc/conf.py
index fdcfc7c..fb8a25b 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -36,6 +36,7 @@
     "sphinx_copybutton",
     "myst_parser",
     "sphinx_design",
+    "exasol.toolbox.sphinx.multiversion",
 ]
 
 intersphinx_mapping = {"python": ("https://docs.python.org/3", None)}