diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a4c566e1de9..d696c0d41bf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     with:
       runner_label: ${{ inputs.username || github.actor }}-x86
       ebs_cache_size_gb: 256
-      runner_concurrency: 30
+      runner_concurrency: 50
       subaction: ${{ inputs.runner_action || 'start' }}
       # Use instance types with low interruption rate in us-east-2 https://aws.amazon.com/ec2/spot/instance-advisor/
       ec2_instance_type: r6in.32xlarge r6a.32xlarge i4i.32xlarge r7iz.32xlarge
diff --git a/yarn-project/end-to-end/Earthfile b/yarn-project/end-to-end/Earthfile
index e6b2b72fd26..ea6fdbe5ae7 100644
--- a/yarn-project/end-to-end/Earthfile
+++ b/yarn-project/end-to-end/Earthfile
@@ -18,8 +18,8 @@ E2E_COMPOSE_TEST:
   # Let docker compose know about the pushed tags above
   ENV AZTEC_DOCKER_TAG=$(git rev-parse HEAD)
   # Optimize to not cause serial behavior if image already exists
-  IF ! docker image ls --format '{{.Repository}}:{{.Tag}}' | grep "aztecprotocol/aztec:$AZTEC_DOCKER_TAG" && \
-       docker image ls --format '{{.Repository}}:{{.Tag}}' | grep "aztecprotocol/end-to-end:$AZTEC_DOCKER_TAG"
+  IF ! docker image ls --format '{{.Repository}}:{{.Tag}}' | grep "aztecprotocol/aztec:$AZTEC_DOCKER_TAG" || \
+     ! docker image ls --format '{{.Repository}}:{{.Tag}}' | grep "aztecprotocol/end-to-end:$AZTEC_DOCKER_TAG"
     WAIT
       BUILD ../+export-e2e-test-images
     END