diff --git a/MozillaFirefox.changes b/MozillaFirefox.changes
index c49e743..d70218e 100644
--- a/MozillaFirefox.changes
+++ b/MozillaFirefox.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Mar 27 14:07:11 UTC 2018 - schwab@suse.de
+
+- Reduce constraints on aarch64
+
 -------------------------------------------------------------------
 Tue Mar 27 06:40:25 UTC 2018 - wr@rosenauer.org
 
diff --git a/_constraints b/_constraints
index 2ec300e..7821a87 100644
--- a/_constraints
+++ b/_constraints
@@ -19,4 +19,14 @@
       </memory>
     </hardware>
   </overwrite>
+  <overwrite>
+    <conditions>
+      <arch>aarch64</arch>
+    </conditions>
+    <hardware>
+      <memory>
+        <size unit="G">9</size>
+      </memory>
+    </hardware>
+  </overwrite>
 </constraints>