diff --git a/_scripts/cirrus.sh b/_scripts/cirrus.sh
index fa643cabf26..1312ba8dfae 100755
--- a/_scripts/cirrus.sh
+++ b/_scripts/cirrus.sh
@@ -6,5 +6,6 @@ docker run --rm --name cirrus \
   --net fxa \
   --mount type=bind,source=$(pwd)/_scripts/configs/cirrus.env.sample,target=/cirrus/.env \
   --mount type=bind,source=$(pwd)/_scripts/configs/cirrus.fml.yml,target=/cirrus/feature_manifest/fml.yml \
+  --memory=1024m \
   -p 8001:8001 \
-  mozilla/cirrus:latest
+  mozilla/cirrus:sha-1275f51cb
diff --git a/_scripts/configs/cirrus.env.sample b/_scripts/configs/cirrus.env.sample
index 69661bcbf26..44595da6813 100644
--- a/_scripts/configs/cirrus.env.sample
+++ b/_scripts/configs/cirrus.env.sample
@@ -1,7 +1,8 @@
 CIRRUS_REMOTE_SETTING_URL=https://firefox.settings.services.mozilla.com/v1/buckets/main/collections/nimbus-web-experiments/records
+CIRRUS_REMOTE_SETTING_PREVIEW_URL=https://firefox.settings.services.mozilla.com/v1/buckets/main/collections/nimbus-web-preview/records
 CIRRUS_REMOTE_SETTING_REFRESH_RATE_IN_SECONDS=10
-CIRRUS_APP_ID=test_app_id
-CIRRUS_APP_NAME=test_app_name
+CIRRUS_APP_ID=accounts.cirrus
+CIRRUS_APP_NAME=accounts_cirrus
 CIRRUS_CHANNEL=release
 CIRRUS_FML_PATH=/cirrus/feature_manifest/sample.yml
 # CIRRUS_SENTRY_DSN=dsn_url