diff --git a/_constraints b/_constraints
index ceffc91..bcf2770 100644
--- a/_constraints
+++ b/_constraints
@@ -1,7 +1,7 @@
 <constraints>
   <hardware>
     <memory>
-     <size unit="G">16</size>
+     <size unit="G">20</size>
     </memory>
     <disk>
       <size unit="G">35</size>
diff --git a/arti.changes b/arti.changes
index b14ccff..c06dca3 100644
--- a/arti.changes
+++ b/arti.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Jun 27 13:19:29 UTC 2024 - Guillaume GARDET <guillaume.gardet@opensuse.org>
+
+- Increase RAM needed per thread in %limit_build to avoid OOM on aarch64
+
 -------------------------------------------------------------------
 Thu Jun 06 23:38:53 UTC 2024 - Eyad Issa <eyadlorenzo@gmail.com>
 
diff --git a/arti.spec b/arti.spec
index 29ace54..ae92961 100644
--- a/arti.spec
+++ b/arti.spec
@@ -38,7 +38,7 @@ An implementation of Tor, in Rust
 %autosetup -p1 -a1
 
 %build
-%limit_build -m 4100
+%limit_build -m 4400
 %{cargo_build}
 
 %install