diff --git a/_constraints b/_constraints
index a367e98..ceffc91 100644
--- a/_constraints
+++ b/_constraints
@@ -1,10 +1,10 @@
 <constraints>
   <hardware>
-    <memoryperjob>
-     <size unit="G">4</size>
-    </memoryperjob>
+    <memory>
+     <size unit="G">16</size>
+    </memory>
     <disk>
-      <size unit="G">30</size>
+      <size unit="G">35</size>
     </disk>
   </hardware>
 </constraints>
diff --git a/arti.changes b/arti.changes
index 9faeba0..7860e5c 100644
--- a/arti.changes
+++ b/arti.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Apr  4 15:40:41 UTC 2024 - Guillaume GARDET <guillaume.gardet@opensuse.org>
+
+- Update constraints to build on more workers (especially for aarch64)
+
 -------------------------------------------------------------------
 Tue Apr  2 16:34:04 UTC 2024 - Eyad Issa <eyadlorenzo@gmail.com>
 
diff --git a/arti.spec b/arti.spec
index a530208..681c187 100644
--- a/arti.spec
+++ b/arti.spec
@@ -25,6 +25,7 @@ URL:            https://gitlab.torproject.org/tpo/core/arti
 Source0:        %{name}-%{version}.tar
 Source1:        vendor.tar.zst
 BuildRequires:  cargo-packaging
+BuildRequires:  memory-constraints
 BuildRequires:  pkgconfig
 BuildRequires:  pkgconfig(openssl)
 BuildRequires:  pkgconfig(sqlite3)
@@ -37,6 +38,7 @@ An implementation of Tor, in Rust
 %autosetup -p1 -a1
 
 %build
+%limit_build -m 4100
 %{cargo_build}
 
 %install