diff --git a/README.md b/README.md
index c88c8cbd..fc373ab8 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ When querying explainshell, it:
 
 ## Missing man pages
 
-Right now explainshell.com contains the entire [archive of Ubuntu](http://manpages.ubuntu.com/). It's not
+Right now explainshell.com contains the entire [archive of Ubuntu](https://manpages.ubuntu.com/). It's not
 possible to directly add a missing man page to the live site (it might be in the future).
 
 ## Running explainshell locally
diff --git a/explainshell/manpage.py b/explainshell/manpage.py
index 979c3d7a..ad8ac934 100644
--- a/explainshell/manpage.py
+++ b/explainshell/manpage.py
@@ -120,7 +120,7 @@ def _parsetext(lines):
     section = None
     i = 0
     for l in lines:
-        l = re.sub(_href, r'<a href="http://manpages.ubuntu.com/manpages/precise/en/man\2/\1.\2.html">', l)
+        l = re.sub(_href, r'<a href="https://manpages.ubuntu.com/manpages/jammy/en/man\2/\1.\2.html">', l)
         for lookfor, replacewith in _replacements:
             l = re.sub(lookfor, replacewith, l)
         # confirm the line is valid utf8
diff --git a/explainshell/web/templates/about.html b/explainshell/web/templates/about.html
index 726d11e2..2a202412 100644
--- a/explainshell/web/templates/about.html
+++ b/explainshell/web/templates/about.html
@@ -4,7 +4,7 @@
             <div id="about">
                 <p>Hello,</p>
                 <p>This site contains 29761 parsed manpages from sections 1 and 8 found in
-                <a href="http://manpages.ubuntu.com/">Ubuntu's manpage repository</a>.
+                <a href="https://manpages.ubuntu.com/">Ubuntu's manpage repository</a>.
                 A lot of heuristics were used to extract the arguments of each
                 program, and there are errors here and there, especially in
                 manpages that have a non-standard layout.</p>
diff --git a/explainshell/web/templates/explain.html b/explainshell/web/templates/explain.html
index a43071a5..37d9526a 100644
--- a/explainshell/web/templates/explain.html
+++ b/explainshell/web/templates/explain.html
@@ -40,7 +40,7 @@
 <div class="push"></div><div class="text-center"><small>
 {% for m in matches if m.name %}
 {% if loop.first %}source manpages: {% endif %}
-<a href="http://manpages.ubuntu.com/manpages/precise/en/man{{ m.section }}/{{ m.source|e }}.html">{{ m.name|e }}</a>{% if not loop.last %},&nbsp;{% endif %}
+<a href="https://manpages.ubuntu.com/manpages/jammy/en/man{{ m.section }}/{{ m.source|e }}.html">{{ m.name|e }}</a>{% if not loop.last %},&nbsp;{% endif %}
 {% endfor %}
 </small></div>
 {%- endblock %}
diff --git a/explainshell/web/templates/macros.html b/explainshell/web/templates/macros.html
index befaa2ef..69359250 100644
--- a/explainshell/web/templates/macros.html
+++ b/explainshell/web/templates/macros.html
@@ -1,10 +1,10 @@
 {% macro outputcommand(mp, suggestions) -%}
     {% if suggestions|length == 0 %}
-    <a href="http://manpages.ubuntu.com/manpages/precise/en/man{{ mp.section }}/{{ mp.source }}.html">{{ mp.program|e }}</a>
+    <a href="https://manpages.ubuntu.com/manpages/jammy/en/man{{ mp.section }}/{{ mp.source }}.html">{{ mp.program|e }}</a>
     {% else %}
         <span class="dropdown">
             <b class="caret" data-toggle="dropdown"></b>
-            <a href="http://manpages.ubuntu.com/manpages/precise/en/man{{ mp.section }}/{{ mp.source }}.html">{{ mp.program|e }}</a>
+            <a href="https://manpages.ubuntu.com/manpages/jammy/en/man{{ mp.section }}/{{ mp.source }}.html">{{ mp.program|e }}</a>
             <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu">
               <li>other manpages</li>
               <li class="divider"></li>
diff --git a/explainshell/web/templates/tagger.html b/explainshell/web/templates/tagger.html
index d00652d4..00d3a162 100644
--- a/explainshell/web/templates/tagger.html
+++ b/explainshell/web/templates/tagger.html
@@ -3,7 +3,7 @@
             <div class="small-push"></div>
             <div class="push"></div>
             <div id="command">
-                <a href="http://manpages.ubuntu.com/manpages/precise/en/man1/{{ m.name }}.html">{{ m.name|e }}</a> - {{ m.synopsis|e }}
+                <a href="https://manpages.ubuntu.com/manpages/jammy/en/man1/{{ m.name }}.html">{{ m.name|e }}</a> - {{ m.synopsis|e }}
             </div>
             <div class="small-push"></div>
             <div style="width: 1000px;">
diff --git a/tools/extractgzlist b/tools/extractgzlist
index 2ccdcf52..24b98385 100755
--- a/tools/extractgzlist
+++ b/tools/extractgzlist
@@ -1,9 +1,9 @@
 #!/bin/bash
 
-release="precise"
+release="jammy"
 section="8"
-man1list="http://manpages.ubuntu.com/manpages/$release/en/man$section/"
-gzroot="http://manpages.ubuntu.com/manpages.gz/$release/man$section/"
+man1list="https://manpages.ubuntu.com/manpages/$release/en/man$section/"
+gzroot="https://manpages.ubuntu.com/manpages.gz/$release/man$section/"
 filename="index$section.html"
 
 if ! [ -f $filename ]; then