diff --git a/_constraints b/_constraints
new file mode 100644
index 0000000..ea93d73
--- /dev/null
+++ b/_constraints
@@ -0,0 +1,14 @@
+<constraints>
+  <overwrite>
+    <conditions>
+      <arch>ppc64</arch>
+      <arch>ppc64le</arch>
+    </conditions>
+    <hardware>
+    <physicalmemory>
+      <size unit="G">6</size>
+    </physicalmemory>
+    </hardware>
+  </overwrite>
+</constraints>
+
diff --git a/audacity.changes b/audacity.changes
index b4fdedd..37d6969 100644
--- a/audacity.changes
+++ b/audacity.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Aug 26 15:25:22 UTC 2020 - Michel Normand <normand@linux.vnet.ibm.com>
+
+- Add _constraints for min 6GB physicalymemory for ppc64/ppc64le
+
 -------------------------------------------------------------------
 Thu Aug 20 13:28:49 UTC 2020 - Dave Plater <davejplater@gmail.com>