diff --git a/.github/workflows/sfn-wdl-ci.yml b/.github/workflows/sfn-wdl-ci.yml
index 02ef15b1..8cdfb01e 100644
--- a/.github/workflows/sfn-wdl-ci.yml
+++ b/.github/workflows/sfn-wdl-ci.yml
@@ -43,6 +43,7 @@ jobs:
           docker build --cache-from ghcr.io/chanzuckerberg/swipe:latest -t ghcr.io/chanzuckerberg/swipe:$(cat version) .
           docker-compose pull
           docker-compose up &
+          sleep 1
           make deploy-mock test
 
   terraform_format:
diff --git a/terraform/modules/sfn-io-helper-lambdas/app/app.py b/terraform/modules/sfn-io-helper-lambdas/app/app.py
index 05095d56..c3d2380b 100644
--- a/terraform/modules/sfn-io-helper-lambdas/app/app.py
+++ b/terraform/modules/sfn-io-helper-lambdas/app/app.py
@@ -79,11 +79,11 @@ def handle_failure(sfn_data, _):
     raise failure_type(cause)
 
 
-def process_batch_event(event):
+def process_batch_event(event, _):
     reporting.emit_batch_metric_values(event)
 
 
-def process_sfn_event(event):
+def process_sfn_event(event, _):
     execution_arn = event.detail["executionArn"]
     if os.environ["APP_NAME"] in execution_arn:
         batch_events.archive_sfn_history(execution_arn)
@@ -91,9 +91,9 @@ def process_sfn_event(event):
     reporting.emit_sfn_metric_values(event)
 
 
-def report_metrics(event):
+def report_metrics(_, __):
     reporting.emit_periodic_metrics()
 
 
-def report_spot_interruption(event):
+def report_spot_interruption(event, _):
     reporting.emit_spot_interruption_metric(event)
diff --git a/terraform/modules/sfn-io-helper-lambdas/deployment.zip b/terraform/modules/sfn-io-helper-lambdas/deployment.zip
deleted file mode 100644
index 1b1b7370..00000000
Binary files a/terraform/modules/sfn-io-helper-lambdas/deployment.zip and /dev/null differ
diff --git a/version b/version
index a60b32a0..622ec544 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-v0.14.0-beta
+v0.15.0-beta