diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a6a94add2258..f1988c7fa229 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
       ebs_cache_size_gb: 256
       runner_concurrency: 50
       subaction: ${{ github.event.inputs.runner_action || 'start' }}
-      ec2_instance_type: m6a.48xlarge
+      ec2_instance_type: m6a.32xlarge
       ec2_ami_id: ami-04d8422a9ba4de80f
       ec2_instance_ttl: 40 # refreshed by jobs
     secrets: inherit
diff --git a/noir-projects/Earthfile b/noir-projects/Earthfile
index c5decbbbeabb..ccdfe81acf1a 100644
--- a/noir-projects/Earthfile
+++ b/noir-projects/Earthfile
@@ -1,5 +1,6 @@
 VERSION 0.8
 FROM ubuntu:lunar
+RUN apt-get update && apt-get install -y parallel
 
 # Install nargo
 COPY ../noir/+nargo/nargo /usr/bin/nargo
@@ -17,7 +18,6 @@ source:
 
 build:
   FROM +source
-  RUN apt-get update && apt-get install -y parallel
   RUN cd noir-contracts && NARGO=nargo TRANSPILER=avm-transpiler ./bootstrap.sh
   RUN cd noir-protocol-circuits && NARGO=nargo ./bootstrap.sh
   SAVE ARTIFACT aztec-nr