diff --git a/.github/workflows/ci3.yml b/.github/workflows/ci3.yml
index 0ab6be78cfb9..64c03b6549e0 100644
--- a/.github/workflows/ci3.yml
+++ b/.github/workflows/ci3.yml
@@ -318,7 +318,7 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
 
       - name: Run Backwards Compatibility E2E Tests
-        timeout-minutes: 330
+        timeout-minutes: 60
         env:
           AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
@@ -331,7 +331,7 @@ jobs:
           CI3_INSTANCE_PROFILE_NAME: ${{ secrets.CI3_INSTANCE_PROFILE_NAME }}
           CI3_SECURITY_GROUP_ID: ${{ secrets.CI3_SECURITY_GROUP_ID }}
           RUN_ID: ${{ github.run_id }}
-          AWS_SHUTDOWN_TIME: 300
+          AWS_SHUTDOWN_TIME: 60
         run: ./.github/ci3.sh compat-e2e
 
   # Publishes the release (npm, Docker, GitHub release, aztec-up scripts, etc.).
diff --git a/ci.sh b/ci.sh
index f2e9e1dc9443..4c72e3a9ad9e 100755
--- a/ci.sh
+++ b/ci.sh
@@ -264,7 +264,7 @@ case "$cmd" in
     # against contract artifacts from prior stable releases.
     export CI_DASHBOARD="releases"
     export JOB_ID="x-compat-e2e"
-    export AWS_SHUTDOWN_TIME=300
+    export AWS_SHUTDOWN_TIME=60
     rc=0
     bootstrap_ec2 "./bootstrap.sh ci-compat-e2e" || rc=$?
     # On nightly tags compat-e2e is non-blocking (continue-on-error in ci3.yml), so