diff --git a/appdata.xml b/appdata.xml
index 0a6dc80..97f13be 100644
--- a/appdata.xml
+++ b/appdata.xml
@@ -15,9 +15,12 @@
   <url type="homepage">http://www.ppsspp.org/</url>
   <screenshots>
     <screenshot type="default">https://raw.githubusercontent.com/flathub/org.ppsspp.PPSSPP/master/screenshots/1.png</screenshot>
-    <screenshot >https://raw.githubusercontent.com/flathub/org.ppsspp.PPSSPP/master/screenshots/2.png</screenshot>
-    <screenshot >https://raw.githubusercontent.com/flathub/org.ppsspp.PPSSPP/master/screenshots/3.png</screenshot>
-    <screenshot >https://raw.githubusercontent.com/flathub/org.ppsspp.PPSSPP/master/screenshots/3.png</screenshot>
+    <screenshot>https://raw.githubusercontent.com/flathub/org.ppsspp.PPSSPP/master/screenshots/2.png</screenshot>
+    <screenshot>https://raw.githubusercontent.com/flathub/org.ppsspp.PPSSPP/master/screenshots/3.png</screenshot>
+    <screenshot>https://raw.githubusercontent.com/flathub/org.ppsspp.PPSSPP/master/screenshots/4.png</screenshot>
   </screenshots>
+  <releases>
+    <release version="1.4.2" date="2017-05-27"/>
+  </releases>
   <updatecontact>b@bpiotrowski.pl</updatecontact>
 </application>
diff --git a/org.ppsspp.PPSSPP.json b/org.ppsspp.PPSSPP.json
index 6ea8926..e35e269 100644
--- a/org.ppsspp.PPSSPP.json
+++ b/org.ppsspp.PPSSPP.json
@@ -1,6 +1,6 @@
 {
   "app-id": "org.ppsspp.PPSSPP",
-  "version": "1.4",
+  "branch": "stable",
   "runtime": "org.freedesktop.Platform",
   "runtime-version": "1.6",
   "sdk": "org.freedesktop.Sdk",
@@ -20,8 +20,11 @@
     "shared-modules/glu/glu-9.0.0.json",
     {
       "name": "ppsspp",
-      "buildsystem": "cmake",
+      "buildsystem": "cmake-ninja",
       "no-make-install": true,
+      "config-opts": [
+        "-DCMAKE_BUILD_TYPE=Release"
+      ],
       "build-commands": [
         "mkdir -p /app/ppsspp /app/bin /app/share/applications",
         "install -m755 PPSSPPSDL /app/ppsspp/",
@@ -35,7 +38,7 @@
         {
           "type": "git",
           "url": "https://github.com/hrydgard/ppsspp.git",
-          "branch": "v1.4.1"
+          "commit": "v1.4.2"
         },
         {
           "type": "file",