diff --git a/site-cookbooks/kosmos_rsk/attributes/default.rb b/site-cookbooks/kosmos_rsk/attributes/default.rb
index 591c6e4..562ca5d 100644
--- a/site-cookbooks/kosmos_rsk/attributes/default.rb
+++ b/site-cookbooks/kosmos_rsk/attributes/default.rb
@@ -1,2 +1,2 @@
-node.default['rskj']['version'] = '3.2.0~focal'
+node.default['rskj']['version'] = '4.1.0~focal'
 node.default['rskj']['network'] = 'testnet'