diff --git a/scripts/blockchainTestSetup.sh b/scripts/blockchainTestSetup.sh
index 2a6e82c030..7524d4bcad 100755
--- a/scripts/blockchainTestSetup.sh
+++ b/scripts/blockchainTestSetup.sh
@@ -4,10 +4,10 @@ pushd /tmp/goodprotocol
 export CI=false
 export MNEMONIC='test test test test test test test test test test test junk'
 export ADMIN_MNEMONIC='test test test test test test test test test test test junk'
-yarn set version 3.6.0
+yarn set version 3.6.1
+yarn config set enableImmutableInstalls false
 echo "nodeLinker: node-modules" >> .yarnrc.yml
 yarn
-npx patch-package
 yarn runNode &
 yarn deployTest
 echo "minimizing..."