diff --git a/_constraints b/_constraints
index c18ad42..2bc29c1 100644
--- a/_constraints
+++ b/_constraints
@@ -1,7 +1,7 @@
 <constraints>
     <hardware>
       <disk>
-        <size unit="G">2</size>
+        <size unit="G">7</size>
       </disk>
     </hardware>
 </constraints>
diff --git a/vtkdata.changes b/vtkdata.changes
index 5bcb32b..b5256ab 100644
--- a/vtkdata.changes
+++ b/vtkdata.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jul 22 13:18:11 UTC 2020 - Michel Normand <normand@linux.vnet.ibm.com>
+
+- increase _constraints from 2 to 7GB min disk space.
+
 -------------------------------------------------------------------
 Tue May 12 18:56:48 UTC 2020 - Atri Bhattacharya <badshah400@gmail.com>