diff --git a/_includes/old_sidebar.html b/_includes/old_sidebar.html
index 30b622e..357bc37 100644
--- a/_includes/old_sidebar.html
+++ b/_includes/old_sidebar.html
@@ -3,12 +3,12 @@
 <div class="card" style="margin-bottom: 15px;">
   <div class="card-header">Latest releases</div>
   <div class="card-body">
-         <strong>QuTiP 5.2.0</strong>:
+         <strong>QuTiP 5.2.1</strong>:
          <ul>
            <li>June 6, 2025</li>
            <li><a href="https://qutip.readthedocs.io/en/qutip-5.2.x/installation.html">install</a></li>
            <li><a href="https://qutip.readthedocs.io/en/qutip-5.2.x/">docs</a></li>
-           <li><a href="https://github.com/qutip/qutip/releases/tag/v5.2.0">src</a></li>
+           <li><a href="https://github.com/qutip/qutip/releases/tag/v5.2.1">src</a></li>
            <li><a href="https://qutip.readthedocs.io/en/qutip-5.2.x/changelog.html">changelog</a></li>
          </ul>
          <strong>QuTiP 4.7.6</strong>:
diff --git a/documentation.md b/documentation.md
index 527d849..0e60c3a 100644
--- a/documentation.md
+++ b/documentation.md
@@ -9,7 +9,7 @@ If you are interested in contributing to QuTiP, check out the <a href="https://q
 
 ## Latest releases
 
-### Version 5.2.0
+### Version 5.2.1
 
 <div class="row">
 <div class="col-md-3 col-md-offset-1">
@@ -37,6 +37,19 @@ If you are interested in contributing to QuTiP, check out the <a href="https://q
 
 ## Previous releases
 
+### Version 5.1.1
+
+<div class="row">
+<div class="col-md-3 col-md-offset-1">
+<img src="images/rtd.png" />
+<a href="https://qutip.readthedocs.io/en/qutip-5.1.x/">Read the Docs</a>
+</div>
+<div class="col-md-3 col-md-offset-1">
+<img src="images/pdf.png" />
+<a href="https://readthedocs.org/projects/qutip/downloads/pdf/qutip-5.1.x/">PDF documentation</a>
+</div>
+</div>
+
 ### Version 5.0.4
 
 <div class="row">
diff --git a/download.md b/download.md
index e921d3c..9cde86f 100644
--- a/download.md
+++ b/download.md
@@ -17,12 +17,12 @@ The recommended way to install QuTiP is with conda or pip, see the
 
 ## Latest releases
 
-### Version 5.2.0 - 6 June 2025
+### Version 5.2.1 - 27 August 2025
 
- - <a onclick="javascript:_gaq.push(['_trackEvent','download','qutip','qutip-5.2.0.tar.gz']); void(0);"
-      href="https://github.com/qutip/qutip/archive/v5.2.0.tar.gz">v5.2.0.tar.gz</a>
- - <a onclick="javascript:_gaq.push(['_trackEvent','download','qutip','qutip-5.1.0.zip']); void(0);"
-      href="https://github.com/qutip/qutip/archive/v5.1.1.zip">v5.1.1.zip</a>
+ - <a onclick="javascript:_gaq.push(['_trackEvent','download','qutip','qutip-5.2.1.tar.gz']); void(0);"
+      href="https://github.com/qutip/qutip/archive/v5.2.1.tar.gz">v5.2.1.tar.gz</a>
+ - <a onclick="javascript:_gaq.push(['_trackEvent','download','qutip','qutip-5.2.1.zip']); void(0);"
+      href="https://github.com/qutip/qutip/archive/v5.2.1.zip">v5.2.1.zip</a>
 
 
 ### Version 4.7.6 - 5 April 2024
@@ -35,6 +35,20 @@ The recommended way to install QuTiP is with conda or pip, see the
 
 ## Recent minor releases
 
+### Version 5.2.0 - 6 June 2025
+
+ - <a onclick="javascript:_gaq.push(['_trackEvent','download','qutip','qutip-5.2.0.tar.gz']); void(0);"
+      href="https://github.com/qutip/qutip/archive/v5.2.0.tar.gz">v5.2.0.tar.gz</a>
+ - <a onclick="javascript:_gaq.push(['_trackEvent','download','qutip','qutip-5.2.0.zip']); void(0);"
+      href="https://github.com/qutip/qutip/archive/v5.2.0.zip">v5.2.0.zip</a>
+
+### Verion 5.1.1 - 15 January 2025
+
+ - <a onclick="javascript:_gaq.push(['_trackEvent','download','qutip','qutip-5.1.1.tar.gz']); void(0);"
+      href="https://github.com/qutip/qutip/archive/v5.1.1.tar.gz">v5.1.1.tar.gz</a>
+ - <a onclick="javascript:_gaq.push(['_trackEvent','download','qutip','qutip-5.1.1.zip']); void(0);"
+      href="https://github.com/qutip/qutip/archive/v5.1.1.zip">v5.1.1.zip</a>
+
 ### Verion 5.1.0 - 19 December 2024
 
  - <a onclick="javascript:_gaq.push(['_trackEvent','download','qutip','qutip-5.1.0.tar.gz']); void(0);"