diff --git a/.circleci/config.yml b/.circleci/config.yml
index 1ae9adb56..d4bd10b5a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -233,4 +233,4 @@ workflows:
             branches:
               only:
                 - main
-                - maint/0.3
+                - maint/0.4
diff --git a/doc/_static/versions.json b/doc/_static/versions.json
index 85f83238e..f4c590577 100644
--- a/doc/_static/versions.json
+++ b/doc/_static/versions.json
@@ -1,12 +1,17 @@
 [
     {
-        "name": "0.4 (devel)",
+        "name": "0.5 (devel)",
         "version": "dev",
         "url": "https://mne.tools/mne-nirs/dev/"
     },
     {
-        "name": "0.3.0 (stable)",
+        "name": "0.4 (stable)",
         "version": "stable",
         "url": "https://mne.tools/mne-nirs/stable/"
     }
+    {
+        "name": "0.3",
+        "version": "0.3",
+        "url": "https://mne.tools/mne-nirs/0.3/"
+    }
 ]