diff --git a/Mesa.changes b/Mesa.changes
index b357c71..4572cba 100644
--- a/Mesa.changes
+++ b/Mesa.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Nov 15 15:01:19 UTC 2022 - Stefan Dirsch <sndirsch@suse.com>
+
+- try to fix build on ppc64le due to running OOM (boo#1205441)
+  * let's request 20G of physical memory via _constraints file
+
 -------------------------------------------------------------------
 Tue Nov  8 12:24:26 UTC 2022 - Stefan Dirsch <sndirsch@suse.com>
 
diff --git a/_constraints b/_constraints
index fd47420..03d0a0c 100644
--- a/_constraints
+++ b/_constraints
@@ -3,8 +3,6 @@
     <conditions>
       <arch>aarch64</arch>
       <arch>ppc</arch>
-      <arch>ppc64</arch>
-      <arch>ppc64le</arch>
       <arch>x86_64</arch>
       <arch>i586</arch>
     </conditions>
@@ -14,4 +12,18 @@
       </disk>
     </hardware>
   </overwrite>
+  <overwrite>
+    <conditions>
+      <arch>ppc64</arch>
+      <arch>ppc64le</arch>
+    </conditions>
+    <hardware>
+      <disk>
+        <size unit="G">9</size>
+      </disk>
+      <physicalmemory>
+        <size unit="G">20</size>
+      </physicalmemory>
+    </hardware>
+  </overwrite>
 </constraints>