diff --git a/doc/changes/unreleased.md b/doc/changes/unreleased.md
index 79e701b84..32d0d3165 100644
--- a/doc/changes/unreleased.md
+++ b/doc/changes/unreleased.md
@@ -1 +1,5 @@
 # Unreleased
+
+## 🐞 Fixed
+
+* Added multi-version extension to Sphinx configuration of the project template
diff --git a/project-template/{{cookiecutter.repo_name}}/doc/conf.py b/project-template/{{cookiecutter.repo_name}}/doc/conf.py
index f52cafc92..8dbf500e1 100644
--- a/project-template/{{cookiecutter.repo_name}}/doc/conf.py
+++ b/project-template/{{cookiecutter.repo_name}}/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)}