diff --git a/_constraints b/_constraints
new file mode 100644
index 0000000..c685be2
--- /dev/null
+++ b/_constraints
@@ -0,0 +1,10 @@
+<constraints>
+  <hardware>
+    <physicalmemory>
+      <size unit="G">5</size>
+    </physicalmemory>
+    <disk>
+      <size unit="G">5</size>
+    </disk>
+  </hardware>
+</constraints>
diff --git a/python-numpy.changes b/python-numpy.changes
index c62d1ca..8e61d56 100644
--- a/python-numpy.changes
+++ b/python-numpy.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Feb 20 09:28:00 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
+
+- Add constraints for testsuite to not run out of mem/disk space
+
 -------------------------------------------------------------------
 Tue Feb 19 12:52:51 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>