diff --git a/MozillaFirefox.changes b/MozillaFirefox.changes
index 4f4498fc..8506338b 100644
--- a/MozillaFirefox.changes
+++ b/MozillaFirefox.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Sep  9 05:59:03 UTC 2022 - Guillaume GARDET <guillaume.gardet@opensuse.org>
+
+- Adjust memory requirements to fix build on aarch64
+
 -------------------------------------------------------------------
 Wed Sep  7 06:50:24 UTC 2022 - Wolfgang Rosenauer <wr@rosenauer.org>
 
diff --git a/MozillaFirefox.spec b/MozillaFirefox.spec
index 818f8eda..f1c59bd9 100644
--- a/MozillaFirefox.spec
+++ b/MozillaFirefox.spec
@@ -401,7 +401,7 @@ EOF
 source ./.obsenv.sh
 
 %ifarch aarch64 %arm ppc64 ppc64le
-%limit_build -m 2000
+%limit_build -m 2500
 %endif
 
 # Generating mozconfig
diff --git a/_constraints b/_constraints
index 7e9e671c..e9c42d78 100644
--- a/_constraints
+++ b/_constraints
@@ -34,7 +34,7 @@
         <flag>asimdrdm</flag>
       </cpu>
       <physicalmemory>
-        <size unit="G">8</size>
+        <size unit="G">14</size>
       </physicalmemory>
     </hardware>
   </overwrite>