diff --git a/site-cookbooks/kosmos-bitcoin/attributes/default.rb b/site-cookbooks/kosmos-bitcoin/attributes/default.rb
index 8883d71..6c5d65d 100644
--- a/site-cookbooks/kosmos-bitcoin/attributes/default.rb
+++ b/site-cookbooks/kosmos-bitcoin/attributes/default.rb
@@ -1,5 +1,5 @@
-node.default['bitcoin']['version']   = '26.0'
-node.default['bitcoin']['checksum']  = 'ab1d99276e28db62d1d9f3901e85ac358d7f1ebcb942d348a9c4e46f0fcdc0a1'
+node.default['bitcoin']['version']   = '28.0'
+node.default['bitcoin']['checksum']  = '700ae2d1e204602eb07f2779a6e6669893bc96c0dca290593f80ff8e102ff37f'
 node.default['bitcoin']['username']  = 'satoshi'
 node.default['bitcoin']['usergroup'] = 'bitcoin'
 node.default['bitcoin']['network']   = 'mainnet'
@@ -24,7 +24,8 @@ node.default['bitcoin']['conf'] = {
   rpcbind: "127.0.0.1:8332",
   gen: 0,
   zmqpubrawblock: 'tcp://127.0.0.1:8337',
-  zmqpubrawtx: 'tcp://127.0.0.1:8338'
+  zmqpubrawtx: 'tcp://127.0.0.1:8338',
+  deprecatedrpc: 'warnings' # TODO remove when upgrading to LND 0.18.4
 }
 
 # Also enables Tor for LND
diff --git a/site-cookbooks/kosmos-bitcoin/recipes/bitcoind.rb b/site-cookbooks/kosmos-bitcoin/recipes/bitcoind.rb
index a4991ff..ba76f8b 100644
--- a/site-cookbooks/kosmos-bitcoin/recipes/bitcoind.rb
+++ b/site-cookbooks/kosmos-bitcoin/recipes/bitcoind.rb
@@ -12,8 +12,15 @@ if node["bitcoin"]["blocksdir_mount_type"]
   include_recipe "kosmos-bitcoin::blocksdir-mount"
 end
 
-%w{ libtool autotools-dev make automake cmake curl g++-multilib libtool
-    binutils-gold bsdmainutils pkg-config python3 patch }.each do |pkg|
+apt_repository "ubuntu-toolchain-r" do
+  # provides g++-13, needed for better c++-20 support
+  uri "ppa:ubuntu-toolchain-r/test"
+end
+
+%w{
+  gcc-13 g++-13 libtool autotools-dev make automake cmake curl bison
+  binutils-gold pkg-config python3 patch
+}.each do |pkg|
   apt_package pkg
 end
 
@@ -26,20 +33,21 @@ end
 
 execute "compile_bitcoin-core_dependencies" do
   cwd "/usr/local/bitcoind/depends"
-  command "make NO_QT=1"
+  environment ({'CC' => 'gcc-13', 'CXX' => 'g++-13', 'NO_QT' => '1'})
+  command "make -j 2"
   action :nothing
   notifies :run, 'bash[compile_bitcoin-core]', :immediately
 end
 
 bash "compile_bitcoin-core" do
   cwd "/usr/local/bitcoind"
+  environment ({'CC' => 'gcc-13', 'CXX' => 'g++-13', 'NO_QT' => '1'})
   code <<-EOH
     ./autogen.sh
     ./configure --prefix=$PWD/depends/x86_64-pc-linux-gnu
     make
   EOH
   action :nothing
-  notifies :restart, "systemd_unit[bitcoind.service]", :delayed
 end
 
 link "/usr/local/bin/bitcoind" do