diff --git a/docsrc/conf.py b/docsrc/conf.py
index 03e2e14fbd..49f9d012e7 100644
--- a/docsrc/conf.py
+++ b/docsrc/conf.py
@@ -100,7 +100,7 @@
 # The short X.Y version.
 version = '3.10.0'
 # The full version, including alpha/beta/rc tags.
-release = '3.10.0-beta2'
+release = '3.10.0-rc1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -431,9 +431,9 @@
 # When this is updated, you may also need to update the version and release
 # definitions listed above to stay up to date.
 rst_prolog = """
-.. |imap_last_stable_version| replace:: 3.8.2
+.. |imap_last_stable_version| replace:: 3.8.3
 .. |imap_last_stable_branch| replace:: `cyrus-imapd-3.8`
-.. |imap_current_stable_version| replace:: 3.10.0-beta2
+.. |imap_current_stable_version| replace:: 3.10.0-rc1
 .. |imap_current_stable_branch| replace:: `cyrus-imapd-3.10`
 .. |imap_latest_development_version| replace:: 3.11.0-alpha0
 .. |imap_latest_development_branch| replace:: master
@@ -448,7 +448,7 @@
 .. |sasl_current_stable_version| replace:: 2.1.28
 .. |imap_stable_release_notes| raw:: html
 
-    <a href="3.10/x/3.10.0-beta2.html">3.10.0-beta2</a>
+    <a href="3.10/x/3.10.0-rc1.html">3.10.0-rc1</a>
 
 .. |imap_development_release_notes| raw:: html