diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 75b103f0d121b9abad88fbedbccceda292502aaf..84f147bc84ed3423ab6947bf6065699f0966a874 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,11 +2,11 @@
 # Brandi L. Cantarel - 2017
 
 variables:
-  TEST_BRANCH: "master"
-  GIT_SUBMODULE_STATEGY: recursive
+  GIT_SUBMODULE_STRATEGY: recursive
 
 before_script:
   - module load nextflow/0.27.6
+  - git submodule sync --recursive
 
 stages:
   - integration
diff --git a/nextflow.config b/nextflow.config
new file mode 100644
index 0000000000000000000000000000000000000000..da9f744780ce4075ada5b9111a6677d56d4132c4
--- /dev/null
+++ b/nextflow.config
@@ -0,0 +1,3 @@
+process.executor='slurm'
+process.queue='super'
+process.clusterOptions = '--hold'
\ No newline at end of file