diff --git a/NEWS b/NEWS
index 6b4d18a7..bc7b43c2 100644
--- a/NEWS
+++ b/NEWS
@@ -11,6 +11,8 @@ Bug Fixes
 
 o Example files fixed that use the 'Octo' fractal.
 
+o Fix crash for playing tutorials.
+
 
 RELEASE NOTES FOR XAOS VERSION 4.2
 ----------------------------------
diff --git a/installer/packages/net.sourceforge.xaos/meta/package.xml b/installer/packages/net.sourceforge.xaos/meta/package.xml
index b1366fe2..07eee22e 100644
--- a/installer/packages/net.sourceforge.xaos/meta/package.xml
+++ b/installer/packages/net.sourceforge.xaos/meta/package.xml
@@ -2,8 +2,8 @@
 <Package>
     <DisplayName>XaoS</DisplayName>
     <Description>Real-time interactive fractal zoomer</Description>
-    <Version>4.2</Version>
-    <ReleaseDate>2020-09-01</ReleaseDate>
+    <Version>4.2.1</Version>
+    <ReleaseDate>2021-02-01</ReleaseDate>
     <Licenses>
         <License name="GNU General Public License v2.0" file="license.txt" />
     </Licenses>
diff --git a/xdg/xaos.appdata.xml b/xdg/xaos.appdata.xml
index b2dc39a2..26652818 100644
--- a/xdg/xaos.appdata.xml
+++ b/xdg/xaos.appdata.xml
@@ -64,6 +64,7 @@
       <description>
         <p>Vietnamese translation.</p>
         <p>Example files are fixed that use the 'Octo' fractal.</p>
+        <p>Crash fixed on playing tutorials.</p>
       </description>
       <url>https://github.com/xaos-project/XaoS/releases/tag/release-4.2-1</url>
     </release>