diff --git a/site-cookbooks/kosmos-bitcoin/attributes/default.rb b/site-cookbooks/kosmos-bitcoin/attributes/default.rb
index 8883d71..02b73a1 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']   = '27.1'
+node.default['bitcoin']['checksum']  = '0c1051fd921b8fae912f5c2dfd86b085ab45baa05cd7be4585b10b4d1818f3da'
 node.default['bitcoin']['username']  = 'satoshi'
 node.default['bitcoin']['usergroup'] = 'bitcoin'
 node.default['bitcoin']['network']   = 'mainnet'
diff --git a/site-cookbooks/kosmos-bitcoin/recipes/bitcoind.rb b/site-cookbooks/kosmos-bitcoin/recipes/bitcoind.rb
index a4991ff..70a6345 100644
--- a/site-cookbooks/kosmos-bitcoin/recipes/bitcoind.rb
+++ b/site-cookbooks/kosmos-bitcoin/recipes/bitcoind.rb
@@ -12,8 +12,9 @@ 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|
+%w{
+  libtool autotools-dev make automake cmake curl g++-10-multilib
+  binutils-gold bsdmainutils pkg-config python3 patch }.each do |pkg|
   apt_package pkg
 end
 
@@ -26,7 +27,7 @@ end
 
 execute "compile_bitcoin-core_dependencies" do
   cwd "/usr/local/bitcoind/depends"
-  command "make NO_QT=1"
+  command "make CC=gcc-10 CXX=g++-10 NO_QT=1"
   action :nothing
   notifies :run, 'bash[compile_bitcoin-core]', :immediately
 end
@@ -35,7 +36,7 @@ bash "compile_bitcoin-core" do
   cwd "/usr/local/bitcoind"
   code <<-EOH
     ./autogen.sh
-    ./configure --prefix=$PWD/depends/x86_64-pc-linux-gnu
+    ./configure CC=gcc-10 CXX=g++-10  --prefix=$PWD/depends/x86_64-pc-linux-gnu
     make
   EOH
   action :nothing