diff --git a/_constraints b/_constraints
new file mode 100644
index 0000000..941060b
--- /dev/null
+++ b/_constraints
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<constraints>
+  <overwrite>
+    <conditions>
+      <arch>ppc64le</arch>
+    </conditions>
+    <hardware>
+      <disk>
+        <size unit="M">6000</size>
+      </disk>
+    </hardware>
+  </overwrite>
+</constraints>
diff --git a/libqt5-qt3d.changes b/libqt5-qt3d.changes
index 7d8c3c9..afb1727 100644
--- a/libqt5-qt3d.changes
+++ b/libqt5-qt3d.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Sep 25 08:42:32 UTC 2019 - Christophe Giboudeaux <christophe@krop.fr>
+
+- Increase the disk size for ppc64le builds.
+
 -------------------------------------------------------------------
 Fri Sep  6 08:03:06 UTC 2019 - Fabian Vogt <fabian@ritter-vogt.de>