diff --git a/APLSource/Cider/History.apla b/APLSource/Cider/History.apla
index 37698a3..68e2380 100644
--- a/APLSource/Cider/History.apla
+++ b/APLSource/Cider/History.apla
@@ -2,6 +2,7 @@
  '* 0.45.0 ⋄ 2024-12-09'
  '  * If the Dropbox check is not configured in the Cider config file, Cider now checks whether there is'
  '    a folder Dropbox/ in the current users home folder. If so, the check is performed.'
+ '  * `]UpdateCider` now accepts an optional argument: a Cider version number'
  '  * Bug fixes                                                              '
  '    * `CheckForGit`, when asking the user what to do, allowed "quit" but did not handle it correctly'
  '    * `ProjectConfig`: did not return the expected result when editing was disallowed'
diff --git a/APLSource/Cider/Version.aplf b/APLSource/Cider/Version.aplf
index 6866fa2..1fff37d 100644
--- a/APLSource/Cider/Version.aplf
+++ b/APLSource/Cider/Version.aplf
@@ -1,3 +1,3 @@
  r←Version
 ⍝ See also `History`
- r←'0.45.0+842'
+ r←'0.45.0+843'
diff --git a/apl-package.json b/apl-package.json
index ab3b5c7..9ecfe0d 100644
--- a/apl-package.json
+++ b/apl-package.json
@@ -21,5 +21,5 @@
   tags: "project-management",
   tatin_version: "0.103.0",
   userCommandScript: "APLSource/Cider_UC.dyalog",
-  version: "0.45.0+841",
+  version: "0.45.0+842",
 }
diff --git a/docs/ReleaseNotes.md b/docs/ReleaseNotes.md
index e619ea0..b586d76 100644
--- a/docs/ReleaseNotes.md
+++ b/docs/ReleaseNotes.md
@@ -14,6 +14,12 @@ In short, when compatability is affected.
 
 This document does not come with a complete list of fixes, added features etc. Consult [Cider on GitHub](https://github.com/aplteam/Cider/releases) for that.
 
+## Version 0.45.0 from 2024-12-09
+
+* `]UpdateCider` now allows to replace the current version by a particular version
+* The Dropbox check is now mandatory when not configured in case there is a folder `Dropbox/` in the user's home folder
+* A couple of bug fixes
+
 ## Version 0.44.0 from 2024-11-16
 
 * `]OpenProject`'s reporting on Git enhanced and streamlined
@@ -66,3 +72,4 @@ Just bug fixes
 
 
 
+
diff --git a/html/ReleaseNotes.html b/html/ReleaseNotes.html
index 4ca043b..c6985dd 100644
--- a/html/ReleaseNotes.html
+++ b/html/ReleaseNotes.html
@@ -24,6 +24,7 @@ <h2 id="toc-heading">Table of contents</h2>
 
 <div class="toc-container">
 <ul id="toc-list" class="hide print">
+<li class="toc-entry toc-h2"><a href="#version-0450-from-2024-12-09">Version 0.45.0 from 2024-12-09</a></li>
 <li class="toc-entry toc-h2"><a href="#version-0440-from-2024-11-16">Version 0.44.0 from 2024-11-16</a></li>
 <li class="toc-entry toc-h2"><a href="#version-0432-from-2024-13">Version 0.43.2 from 2024-13</a></li>
 <li class="toc-entry toc-h2"><a href="#version-0431-from-2024-09-25">Version 0.43.1 from 2024-09-25</a></li>
@@ -43,6 +44,16 @@ <h2 id="toc-heading">Table of contents</h2>
 <p>In short, when compatability is affected.</p>
 <p>This document does not come with a complete list of fixes, added features etc. Consult <a href="https://github.com/aplteam/Cider/releases" class="external_link">Cider on GitHub</a> for that.</p>
 <div class="h_tag">
+<a href="#version-0450-from-2024-12-09" id="version-0450-from-2024-12-09" class="autoheader_anchor">
+<h2 data-id="Version-0450-from-2024-12-09">Version 0.45.0 from 2024-12-09</h2>
+</a>
+</div>
+<ul>
+<li><code>]UpdateCider</code> now allows to replace the current version by a particular version</li>
+<li>The Dropbox check is now mandatory when not configured in case there is a folder <code>Dropbox/</code> in the user's home folder</li>
+<li>A couple of bug fixes</li>
+</ul>
+<div class="h_tag">
 <a href="#version-0440-from-2024-11-16" id="version-0440-from-2024-11-16" class="autoheader_anchor">
 <h2 data-id="Version-0440-from-2024-11-16">Version 0.44.0 from 2024-11-16</h2>
 </a>