diff --git a/PackageInfo.g b/PackageInfo.g
index 53a8036..e7312fc 100644
--- a/PackageInfo.g
+++ b/PackageInfo.g
@@ -10,8 +10,8 @@ SetPackageInfo( rec(
 
 PackageName := "json",
 Subtitle := "Reading and Writing JSON",
-Version := "2.2.0",
-Date := "22/01/2024", # dd/mm/yyyy format
+Version := "2.2.1",
+Date := "24/04/2024", # dd/mm/yyyy format
 License := "BSD-2-Clause",
 
 Persons := [
@@ -20,7 +20,7 @@ Persons := [
     IsMaintainer := true,
     FirstNames := "Christopher",
     LastName := "Jefferson",
-    WWWHome := "http://caj.host.cs.st-andrews.ac.uk/",
+    WWWHome := "https://heather.cafe/",
     Email := "caj21@st-andrews.ac.uk",
     PostalAddress := Concatenation(
                "St Andrews\n",
diff --git a/_data/package.yml b/_data/package.yml
index 3c0631f..3e059aa 100644
--- a/_data/package.yml
+++ b/_data/package.yml
@@ -1,23 +1,23 @@
 name: json
-version: 2.2.0
-date: 2024-01-22
+version: 2.2.1
+date: 2024-04-24
 description: |
     Reading and Writing JSON
 
 authors:
     - name: Christopher Jefferson
-      url: http://caj.host.cs.st-andrews.ac.uk/
+      url: https://heather.cafe/
 
 maintainers:
     - name: Christopher Jefferson
-      url: http://caj.host.cs.st-andrews.ac.uk/
+      url: https://heather.cafe/
 
 GAP: ">= 4.12"
 
 needed-pkgs:
     - name: "GAPDoc"
       version: ">= 1.5"
-      url: "http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc"
+      url: "https://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc"
 
 www: https://gap-packages.github.io/json/
 readme: README
@@ -25,7 +25,7 @@ packageinfo: https://gap-packages.github.io/json/PackageInfo.g
 
 downloads:
     - name: .tar.gz
-      url: https://github.com/gap-packages/json/releases/download/v2.2.0/json-2.2.0.tar.gz
+      url: https://github.com/gap-packages/json/releases/download/v2.2.1/json-2.2.1.tar.gz
 
 abstract: |
 
diff --git a/doc/chap0.html b/doc/chap0.html
index a781efc..ec47440 100644
--- a/doc/chap0.html
+++ b/doc/chap0.html
@@ -29,10 +29,10 @@ <h1>json</h1>
 <h2>Reading and Writing JSON</h2>
 
 <p>
-    2.2.0</p>
+    2.2.1</p>
 
 <p>
-    22 January 2024
+    24 April 2024
   </p>
 
 </div>
@@ -44,7 +44,7 @@ <h2>Reading and Writing JSON</h2>
 
   </b>
 <br />Email: <span class="URL"><a href="mailto:caj21@st-andrews.ac.uk">caj21@st-andrews.ac.uk</a></span>
-<br />Homepage: <span class="URL"><a href="http://caj.host.cs.st-andrews.ac.uk/">http://caj.host.cs.st-andrews.ac.uk/</a></span>
+<br />Homepage: <span class="URL"><a href="https://heather.cafe/">https://heather.cafe/</a></span>
 <br />Address: <br />St Andrews<br /> Scotland<br /> UK<br />
 </p>
 
@@ -73,6 +73,6 @@ <h3>Contents<a id="contents" name="contents"></a></h3>
 <div class="chlinkbot"><span class="chlink1">Goto Chapter: </span><a href="chap0.html">Top</a>  <a href="chap1.html">1</a>  <a href="chapInd.html">Ind</a>  </div>
 
 <hr />
-<p class="foot">generated by <a href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
+<p class="foot">generated by <a href="https://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
 </body>
 </html>
diff --git a/doc/chap0.txt b/doc/chap0.txt
index 66c61db..76f6737 100644
--- a/doc/chap0.txt
+++ b/doc/chap0.txt
@@ -6,10 +6,10 @@
                            [1X Reading and Writing JSON [101X
   
   
-                                     2.2.0
+                                     2.2.1
   
   
-                                22 January 2024
+                                 24 April 2024
   
   
                              Christopher Jefferson
@@ -18,7 +18,7 @@
   
   Christopher Jefferson
       Email:    [7Xmailto:caj21@st-andrews.ac.uk[107X
-      Homepage: [7Xhttp://caj.host.cs.st-andrews.ac.uk/[107X
+      Homepage: [7Xhttps://heather.cafe/[107X
       Address:  [33X[0;14YSt Andrews[133X
                 [33X[0;14YScotland[133X
                 [33X[0;14YUK[133X
diff --git a/doc/chap0_mj.html b/doc/chap0_mj.html
index afef207..f5eb2e1 100644
--- a/doc/chap0_mj.html
+++ b/doc/chap0_mj.html
@@ -6,7 +6,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
 <head>
 <script type="text/javascript"
-  src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
+  src="https://cdn.jsdelivr.net/npm/mathjax@2/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
 </script>
 <title>GAP (json) - Contents</title>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
@@ -32,10 +32,10 @@ <h1>json</h1>
 <h2>Reading and Writing JSON</h2>
 
 <p>
-    2.2.0</p>
+    2.2.1</p>
 
 <p>
-    22 January 2024
+    24 April 2024
   </p>
 
 </div>
@@ -47,7 +47,7 @@ <h2>Reading and Writing JSON</h2>
 
   </b>
 <br />Email: <span class="URL"><a href="mailto:caj21@st-andrews.ac.uk">caj21@st-andrews.ac.uk</a></span>
-<br />Homepage: <span class="URL"><a href="http://caj.host.cs.st-andrews.ac.uk/">http://caj.host.cs.st-andrews.ac.uk/</a></span>
+<br />Homepage: <span class="URL"><a href="https://heather.cafe/">https://heather.cafe/</a></span>
 <br />Address: <br />St Andrews<br /> Scotland<br /> UK<br />
 </p>
 
@@ -76,6 +76,6 @@ <h3>Contents<a id="contents" name="contents"></a></h3>
 <div class="chlinkbot"><span class="chlink1">Goto Chapter: </span><a href="chap0_mj.html">Top</a>  <a href="chap1_mj.html">1</a>  <a href="chapInd_mj.html">Ind</a>  </div>
 
 <hr />
-<p class="foot">generated by <a href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
+<p class="foot">generated by <a href="https://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
 </body>
 </html>
diff --git a/doc/chap1.html b/doc/chap1.html
index 49f0a9b..2f3c9c0 100644
--- a/doc/chap1.html
+++ b/doc/chap1.html
@@ -101,6 +101,6 @@ <h5>1.1-4 JsonStreamToGap</h5>
 <div class="chlinkbot"><span class="chlink1">Goto Chapter: </span><a href="chap0.html">Top</a>  <a href="chap1.html">1</a>  <a href="chapInd.html">Ind</a>  </div>
 
 <hr />
-<p class="foot">generated by <a href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
+<p class="foot">generated by <a href="https://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
 </body>
 </html>
diff --git a/doc/chap1_mj.html b/doc/chap1_mj.html
index 43b7d1c..661dfb4 100644
--- a/doc/chap1_mj.html
+++ b/doc/chap1_mj.html
@@ -6,7 +6,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
 <head>
 <script type="text/javascript"
-  src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
+  src="https://cdn.jsdelivr.net/npm/mathjax@2/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
 </script>
 <title>GAP (json) - Chapter 1: GAP-JSON mapping</title>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
@@ -104,6 +104,6 @@ <h5>1.1-4 JsonStreamToGap</h5>
 <div class="chlinkbot"><span class="chlink1">Goto Chapter: </span><a href="chap0_mj.html">Top</a>  <a href="chap1_mj.html">1</a>  <a href="chapInd_mj.html">Ind</a>  </div>
 
 <hr />
-<p class="foot">generated by <a href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
+<p class="foot">generated by <a href="https://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
 </body>
 </html>
diff --git a/doc/chapInd.html b/doc/chapInd.html
index c333071..dc1d5ed 100644
--- a/doc/chapInd.html
+++ b/doc/chapInd.html
@@ -38,6 +38,6 @@ <h3>Index</h3>
 <div class="chlinkbot"><span class="chlink1">Goto Chapter: </span><a href="chap0.html">Top</a>  <a href="chap1.html">1</a>  <a href="chapInd.html">Ind</a>  </div>
 
 <hr />
-<p class="foot">generated by <a href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
+<p class="foot">generated by <a href="https://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
 </body>
 </html>
diff --git a/doc/chapInd_mj.html b/doc/chapInd_mj.html
index c1f1ac3..a5d5e8f 100644
--- a/doc/chapInd_mj.html
+++ b/doc/chapInd_mj.html
@@ -6,7 +6,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
 <head>
 <script type="text/javascript"
-  src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
+  src="https://cdn.jsdelivr.net/npm/mathjax@2/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
 </script>
 <title>GAP (json) - Index</title>
 <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
@@ -41,6 +41,6 @@ <h3>Index</h3>
 <div class="chlinkbot"><span class="chlink1">Goto Chapter: </span><a href="chap0_mj.html">Top</a>  <a href="chap1_mj.html">1</a>  <a href="chapInd_mj.html">Ind</a>  </div>
 
 <hr />
-<p class="foot">generated by <a href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
+<p class="foot">generated by <a href="https://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc">GAPDoc2HTML</a></p>
 </body>
 </html>
