diff --git a/MozillaFirefox.changes b/MozillaFirefox.changes
index df2cecc2..2cf68bb0 100644
--- a/MozillaFirefox.changes
+++ b/MozillaFirefox.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Apr  6 11:19:24 UTC 2020 - Michel Normand <normand@linux.vnet.ibm.com>
+
+- increase _constraints memory for ppc64le
+
 -------------------------------------------------------------------
 Fri Apr  3 15:23:28 UTC 2020 - Wolfgang Rosenauer <wr@rosenauer.org>
 
diff --git a/_constraints b/_constraints
index bdf10b5b..5566790b 100644
--- a/_constraints
+++ b/_constraints
@@ -42,4 +42,17 @@
       </memory>
     </hardware>
   </overwrite>
+  <overwrite>
+    <conditions>
+      <arch>ppc64le</arch>
+    </conditions>
+    <hardware>
+      <disk>
+        <size unit="G">25</size>
+      </disk>
+      <memory>
+        <size unit="G">10</size>
+      </memory>
+    </hardware>
+  </overwrite>
 </constraints>