diff --git a/_constraints b/_constraints
new file mode 100644
index 0000000..b3010ae
--- /dev/null
+++ b/_constraints
@@ -0,0 +1,7 @@
+<constraints>
+    <hardware>
+      <disk>
+        <size unit="G">4</size>
+      </disk>
+    </hardware>
+</constraints>
diff --git a/plasma5-workspace.changes b/plasma5-workspace.changes
index 50d0b8e..16fce67 100644
--- a/plasma5-workspace.changes
+++ b/plasma5-workspace.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Jan 15 10:54:18 UTC 2021 - Michel Normand <normand@linux.vnet.ibm.com>
+
+- Add _constraints with min 4GB disk space to avoid build failure
+
 -------------------------------------------------------------------
 Tue Jan  5 14:40:06 UTC 2021 - Fabian Vogt <fabian@ritter-vogt.de>