diff --git a/gatk.wdl b/gatk.wdl
index 2a2b2b0237e306356c435a10c1d893042576d4cc..ab1c215b390e4d67a1e4122aa1d6d556aa4e0389 100644
--- a/gatk.wdl
+++ b/gatk.wdl
@@ -200,6 +200,8 @@ task SplitNCigarReads {
 
     File input_bam
     File ref_fasta
+    File ref_fasta_index
+    File ref_dict
     String output_bam
     String gatk_jar