diff --git a/Update-already-installed-Tracks-on-Ubuntu-21.04.md b/Update-already-installed-Tracks-on-Ubuntu-21.04.md
index ada669b..f27d54a 100644
--- a/Update-already-installed-Tracks-on-Ubuntu-21.04.md
+++ b/Update-already-installed-Tracks-on-Ubuntu-21.04.md
@@ -2,6 +2,19 @@
 <p>
   <br/>
 </p>
+<p>
+(after upgrading to Ubuntu 22.04 it was required to install again<br/>
+<blockquote>
+&gt;apt install default-libmysqlclient-dev
+</blockquote>
+seems that some mysqlclient upgrade didn't upgrade the dev lib)
+</p>
+<p>
+  <br/>
+</p>
+<p>
+  <br/>
+</p>
 <p>it is not the best practice... but normally I do</p>
 <blockquote>
   <p>&gt;sudo -i</p>