diff --git a/.versioneer-lookup b/.versioneer-lookup
index 342b9dec..d17ee7e6 100644
--- a/.versioneer-lookup
+++ b/.versioneer-lookup
@@ -22,5 +22,8 @@ maintenance 1.3.3 0a69dbeddb301d5a32827a3f0d561f875df24234 pep440-dev
 fix/.* 1.3.3 0a69dbeddb301d5a32827a3f0d561f875df24234 pep440-dev
 improve/.* 1.3.3 0a69dbeddb301d5a32827a3f0d561f875df24234 pep440-dev
 
+# staging/maintenance is currently the branch for preparation of 1.3.3rc3 (if we'll need that)
+staging/maintenance 1.3.3rc2 3fbd477d15b5776ca929ea578c5437720aaf7f31 pep440-dev
+
 # every other branch is a development branch and thus gets resolved to 1.4.0-dev for now
 .* 1.4.0 7f5d03d0549bcbd26f40e7e4a3297ea5204fb1cc pep440-dev
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index f3fb3411..b8ba81c0 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -365,10 +365,16 @@ There are three main branches in OctoPrint:
     the `maintenance` branch and are now being pushed on the "Maintenance"
     pre release channel for further testing. Version number follows the scheme
     `<x>.<y>.<z>rc<n>` (e.g. `1.2.9rc1`).
+  * `staging/maintenance`: Any preparation for potential follow-up RCs takes place here.
+    Version number follows the scheme `<x>.<y>.<z>rc<n+1>.dev<commits since increase of n>` (e.g.
+    `1.2.9rc1.dev3`) for a current Maintenance RC of `<x>.<y>.<z>rc<n>`.
   * `rc/devel`: This branch is reserved for future releases that have graduated from
     the `devel` branch and are now being pushed on the "Devel" pre release channel
     for further testing. Version number follows the scheme `<x>.<y+1>.0rc<n>` (e.g. `1.3.0rc1`)
     for a current stable OctoPrint version of `<x>.<y>.<z>`.
+  * `staging/devel`: Any preparation for potential follow-up Devel RCs takes place
+    here. Version number follows the scheme `<x>.<y>.0rc<n+1>.dev<commits since increase of n>` (e.g.
+    `1.3.0rc1.dev12`) for a current Devel RC of `<x>.<y>.0rc<n>`.
 
 Additionally, from time to time you might see other branches pop up in the repository.
 Those usually have one of the following prefixes: