diff --git a/_constraints b/_constraints
new file mode 100644
index 0000000..b5b0790
--- /dev/null
+++ b/_constraints
@@ -0,0 +1,14 @@
+<constraints>
+  <overwrite>
+    <conditions>
+      <arch>ppc64</arch>
+      <arch>ppc64le</arch>
+    </conditions>
+    <hardware>
+    <disk>
+      <size unit="G">6</size>
+    </disk>
+    </hardware>
+  </overwrite>
+</constraints>
+
diff --git a/ghc-skylighting-core.changes b/ghc-skylighting-core.changes
index 0962a5d..dd7681c 100644
--- a/ghc-skylighting-core.changes
+++ b/ghc-skylighting-core.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Wed Aug 19 06:55:08 UTC 2020 - Michel Normand <normand@linux.vnet.ibm.com>
+
+- Add _constraints with 6GB min disk space for ppc64/ppc64le
+
+-------------------------------------------------------------------
+Tue Aug 18 10:46:03 UTC 2020 - Peter Simons <psimons@suse.com>
+
+- Replace %setup -q with the more modern %autosetup macro.
+
 -------------------------------------------------------------------
 Sun Jun 21 02:00:49 UTC 2020 - psimons@suse.com
 
diff --git a/ghc-skylighting-core.spec b/ghc-skylighting-core.spec
index e48e940..b0ad333 100644
--- a/ghc-skylighting-core.spec
+++ b/ghc-skylighting-core.spec
@@ -79,7 +79,7 @@ This package provides the Haskell %{pkg_name} library development
 files.
 
 %prep
-%setup -q -n %{pkg_name}-%{version}
+%autosetup -n %{pkg_name}-%{version}
 
 %build
 %ghc_lib_build