diff --git a/_constraints b/_constraints
index d603757..c90417e 100644
--- a/_constraints
+++ b/_constraints
@@ -10,7 +10,7 @@
     </conditions>
     <hardware>
       <disk>
-         <size unit="G">28</size>
+         <size unit="G">36</size>
       </disk>
       <memory>
          <size unit="G">10</size>
@@ -25,7 +25,7 @@
     </conditions>
     <hardware>
       <disk>
-         <size unit="G">32</size>
+         <size unit="G">36</size>
       </disk>
       <memory>
          <size unit="G">10</size>
@@ -40,7 +40,7 @@
     </conditions>
     <hardware>
       <disk>
-         <size unit="G">28</size>
+         <size unit="G">36</size>
       </disk>
       <memory>
          <size unit="G">9</size>
diff --git a/ceph-test.changes b/ceph-test.changes
index 3428527..d93dd8e 100644
--- a/ceph-test.changes
+++ b/ceph-test.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Dec 10 15:39:59 UTC 2019 - Adrian Schröter <adrian@suse.de>
+
+- increase disk space needs in _constraints for some architectures
+
 -------------------------------------------------------------------
 Mon Dec  2 11:51:18 UTC 2019 - Nathan Cutler <ncutler@suse.com>
 
diff --git a/ceph.changes b/ceph.changes
index 3428527..d93dd8e 100644
--- a/ceph.changes
+++ b/ceph.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Dec 10 15:39:59 UTC 2019 - Adrian Schröter <adrian@suse.de>
+
+- increase disk space needs in _constraints for some architectures
+
 -------------------------------------------------------------------
 Mon Dec  2 11:51:18 UTC 2019 - Nathan Cutler <ncutler@suse.com>