diff --git a/gap.appdata.xml b/gap.appdata.xml
index d0c3a5d..3e8ec80 100644
--- a/gap.appdata.xml
+++ b/gap.appdata.xml
@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<application>
- <id type="desktop">gap.desktop</id>
- <licence>CC0</licence>
+<component type="desktop">
+ <id>gap.desktop</id>
+ <metadata_license>CC0-1.0</metadata_license>
+ <project_license>GPL-2.0+</project_license>
+ <name>gap</name>
+ <summary>Computational discrete algebra</summary>
  <description>
   <p>
    GAP is a system for computational discrete algebra, with particular emphasis
@@ -16,10 +19,13 @@
   </p>
  </description>
  <screenshots>
-  <screenshot type="default">https://jjames.fedorapeople.org/gap/gap-screenshot.png</screenshot>
+  <screenshot type="default">
+   <image>https://jjames.fedorapeople.org/gap/gap-screenshot.png</image>
+   <caption>GAP introductory text and some simple computations</caption>
+  </screenshot>
  </screenshots>
+ <update_contact>loganjerry@gmail.com</update_contact>
+ <developer_name>GAP Centers</developer_name>
  <url type="homepage">http://www.gap-system.org/</url>
- <!-- FIXME: change this to an upstream email address for spec updates
-         <updatecontact>someone_who_cares@upstream_project.org</updatecontact>
-  -->
-</application>
+ <url type="bugtracker">http://www.gap-system.org/Contacts/trouble.html</url>
+</component>
diff --git a/gap.spec b/gap.spec
index 1ecfe75..443d97f 100644
--- a/gap.spec
+++ b/gap.spec
@@ -340,6 +340,7 @@ make testinstall
 %changelog
 * Wed May 20 2015 Jerry James <loganjerry@gmail.com> - 4.7.7-2
 - Fix gac compiler flags for dynamic objects
+- Update appdata
 
 * Mon Feb 16 2015 Jerry James <loganjerry@gmail.com> - 4.7.7-1
 - New upstream release