diff --git a/tests/modules/gatk4/mergevcfs/test.yml b/tests/modules/gatk4/mergevcfs/test.yml
index da2f7578..eb43a184 100644
--- a/tests/modules/gatk4/mergevcfs/test.yml
+++ b/tests/modules/gatk4/mergevcfs/test.yml
@@ -6,6 +6,8 @@
   files:
     - path: output/gatk4/test.vcf.gz
       md5sum: 5b289bda88d3a3504f2e19ee8cff177c
+    - path: output/gatk4/test.vcf.gz.tbi
+      md5sum: a81673763b13086cfce9a23e72a35a16
     - path: output/gatk4/versions.yml
 
 - name: gatk4 mergevcfs test_gatk4_mergevcfs_no_dict