diff --git a/.github/workflows/test-start-node.yml b/.github/workflows/test-start-node.yml
index c77b77c..aa05fa3 100644
--- a/.github/workflows/test-start-node.yml
+++ b/.github/workflows/test-start-node.yml
@@ -10,6 +10,12 @@ jobs:
     steps:
       - name: Check out the repository to the runner
         uses: actions/checkout@v4  
+      
+      - name: Set up Docker
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y docker-compose
+      
       - name: Start node, wait 60s then stop node
         shell: bash
         run: |
diff --git a/scripts/ga/parameter.sh b/scripts/ga/parameter.sh
index a1614cd..bd9bf2d 100755
--- a/scripts/ga/parameter.sh
+++ b/scripts/ga/parameter.sh
@@ -3,12 +3,21 @@
 # ~~~~~~~~~~~~ CHANGE THIS ~~~~~~~~~~~~
 prev_ga_hash=""
 prev_ga_index="0"
-# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
+METADATA_URL="https://buy-ryan-an-island.com"
+METADATA_HASH="0000000000000000000000000000000000000000000000000000000000000000"
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 # Building, signing and submitting an parameter change governance action
 echo "Creating and submitting parameter change governace action."
 
+echo "\nPull the latest guardrails script."
+curl --silent -J -L https://book.world.dev.cardano.org/environments/mainnet/guardrails-script.plutus -o ./txs/guardrails-script.plutus
+
+echo "\nGet the guardrails script hash from the genesis file."
+SCRIPT_HASH=$(jq -r ".constitution.script" "./node/config/conway-genesis.json")
+echo "Script hash: $SCRIPT_HASH"
+
 # Function to execute cardano-cli commands inside the container
 container_cli() {
   docker exec -ti sancho-node cardano-cli "$@"
@@ -18,16 +27,23 @@ container_cli conway governance action create-protocol-parameters-update \
   --testnet \
   --governance-action-deposit $(container_cli conway query gov-state --testnet-magic 4 | jq -r '.currentPParams.govActionDeposit') \
   --deposit-return-stake-verification-key-file ./keys/stake.vkey \
-  --anchor-url  https://buy-ryan-an-island.com \
-  --anchor-data-hash 0000000000000000000000000000000000000000000000000000000000000000 \
-  --key-reg-deposit-amt 420420420 \
-  --prev-governance-action-tx-id "$prev_ga_hash" \
-  --prev-governance-action-index "$prev_ga_index" \
+  --anchor-url "$METADATA_URL" \
+  --anchor-data-hash "$METADATA_HASH" \
+  --constitution-script-hash "$SCRIPT_HASH" \
+  --key-reg-deposit-amt 3000000 \
   --out-file ./txs/parameter.action
 
+  # --prev-governance-action-tx-id "$prev_ga_hash" \
+  # --prev-governance-action-index "$prev_ga_index" \
+
 container_cli conway transaction build \
  --testnet-magic 4 \
+ --proposal-script-file ./txs/guardrails-script.plutus \
+ --tx-in "$(container_cli query utxo --address "$(cat ./keys/payment.addr)" --testnet-magic 4 --out-file /dev/stdout | jq -r 'keys[0]')" \
  --tx-in "$(container_cli query utxo --address "$(cat ./keys/payment.addr)" --testnet-magic 4 --out-file /dev/stdout | jq -r 'keys[1]')" \
+ --tx-in "$(container_cli query utxo --address "$(cat ./keys/payment.addr)" --testnet-magic 4 --out-file /dev/stdout | jq -r 'keys[2]')" \
+ --tx-in-collateral "$(container_cli query utxo --address "$(cat ./keys/payment.addr)" --testnet-magic 4 --out-file /dev/stdout | jq -r 'keys[0]')" \
+ --proposal-redeemer-value {} \
  --change-address "$(cat ./keys/payment.addr)" \
  --proposal-file ./txs/parameter.action \
  --out-file ./txs/parameter.action.raw