diff --git a/docs/conf.py b/docs/conf.py
index 97e3decb..e65eb15c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -26,7 +26,7 @@
 project = "NeMo-RL"
 copyright = "2025, NVIDIA Corporation"
 author = "NVIDIA Corporation"
-release = "0.0.1"
+release = "0.2.1"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
@@ -74,3 +74,20 @@
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 
 html_theme = "nvidia_sphinx_theme"
+html_theme_options = {
+    "switcher": {
+        "json_url": "../versions1.json",
+        "version_match": release,
+    },
+    "extra_head": {
+        """
+    <script src="https://assets.adobedtm.com/5d4962a43b79/c1061d2c5e7b/launch-191c2462b890.min.js" ></script>
+    """
+    },
+    "extra_footer": {
+        """
+    <script type="text/javascript">if (typeof _satellite !== "undefined") {_satellite.pageBottom();}</script>
+    """
+    },
+}
+html_extra_path = ["project.json", "versions1.json"]
diff --git a/docs/documentation.md b/docs/documentation.md
index 07d4e6b4..69145c06 100644
--- a/docs/documentation.md
+++ b/docs/documentation.md
@@ -5,6 +5,7 @@
   - [Live Building](#live-building)
   - [Run Tests in Python Docstrings](#run-tests-in-python-docstrings)
   - [Write Tests in Python Docstrings](#write-tests-in-python-docstrings)
+  - [Documentation Version](#documentation-version)
 
 
 ## Build the Documentation
@@ -71,4 +72,11 @@ def add(x: int, y: int) -> int:
     return x + y
 ```
 
+## Documentation Version
+
+The three files below control the version switcher. Before you attempt to publish a new version of the documentation, update these files to match the latest version numbers.
+
+* docs/versions1.json
+* docs/project.json
+* docs/conf.py
 
diff --git a/docs/project.json b/docs/project.json
new file mode 100644
index 00000000..d47f15ba
--- /dev/null
+++ b/docs/project.json
@@ -0,0 +1 @@
+{"name": "nemo-rl", "version": "0.2.1"}
\ No newline at end of file
diff --git a/docs/versions1.json b/docs/versions1.json
new file mode 100644
index 00000000..c7ed75eb
--- /dev/null
+++ b/docs/versions1.json
@@ -0,0 +1,7 @@
+[
+    {
+        "preferred": true,
+        "version": "0.2.1",
+        "url": "../0.2.1"
+    }
+]