diff --git a/trunk/PKGBUILD b/trunk/PKGBUILD
index 78fad99..0b7905f 100644
--- a/trunk/PKGBUILD
+++ b/trunk/PKGBUILD
@@ -43,11 +43,17 @@ source=(
   dotnet-source-build::git+https://github.com/dotnet/source-build.git#tag=${_tag}
   9999-runtime-libicu-68.patch
   9999-runtime-link-order.patch
+  9999-nuget-disable-sigcheck.patch::https://patch-diff.githubusercontent.com/raw/NuGet/NuGet.Client/pull/3979.patch
+  https://dotnetcli.azureedge.net/dotnet/Runtime/3.1.1/dotnet-runtime-3.1.1-linux-x64.tar.gz
+  dotnet-sdk-5.0.104-arch-x64.tar.gz
 )
 b2sums=('SKIP'
         '5e60cccee68ff6b5fa64a37364da099592890eda734472ed55e356718388ea0880a5558e1b3c1904208187207daf314c4abfdcf3a11985415e9a494aa04d1ddf'
-        '437e0b0956576795087f9e5299f6b847aaaef8158847a269d34331d42da6729721d121eed82b95e4833f9d01322da677d85db924bf43140360c5592d51324565')
-
+        '437e0b0956576795087f9e5299f6b847aaaef8158847a269d34331d42da6729721d121eed82b95e4833f9d01322da677d85db924bf43140360c5592d51324565'
+        '9fb5bc7e00fc320df4957be2a5df67e3dc353ca5e3589edf95180ce2ff5d026c9b559fb86a37420a5239c220ba9fb33512314d466e2504fa7d89cd223a80b697'
+        'c51b167da0624df2fb5b346652ffa5a7fcfb00f95104664329721d4cf4b563dfdc8f7f3ea36332af1f50e8eedff14d7f960b55793ef2ed6b467a672bd92b3acd'
+        '00260ff256a9b07fc8f3a6e47db5b44cb6bb092b259f216672eeb25ea27f5549a0cab4eaf523738a2d57e021cc33408a79305245acb8a10331b8019b4eca9b8d')
+noextract=(dotnet-runtime-3.1.1-linux-x64.tar.gz dotnet-sdk-5.0.104-arch-x64.tar.gz)
 pkgver() {
   cd dotnet-source-build
 
@@ -67,9 +73,14 @@ prepare() {
   [ -d patches/runtime ] || mkdir patches/runtime
   cp ../9999-runtime-libicu-68.patch patches/runtime/
   cp ../9999-runtime-link-order.patch patches/runtime/
+  cp ../9999-nuget-disable-sigcheck.patch patches/nuget-client/
 
   # disable warnings
   sed -i 's|skiptests|skiptests ignorewarnings|' repos/runtime.common.props
+
+  mkdir -p arch
+  bsdtar -xf ../dotnet-runtime-3.1.1-linux-x64.tar.gz -C arch
+  bsdtar -xf ../dotnet-sdk-5.0.104-arch-x64.tar.gz -C arch
 }
 
 build() {
@@ -77,7 +88,7 @@ build() {
 
   export SOURCE_BUILD_SKIP_SUBMODULE_CHECK=1
 
-  ./build.sh \
+  ./build.sh --with-sdk arch \
     /p:ArchiveDownloadedPackages=true \
     /p:ContinueOnPrebuiltBaselineError=true \
     /p:SkipPortableRuntimeBuild=true \