diff --git a/subworkflows/local/hicpro.nf b/subworkflows/local/hicpro.nf
index 6d2e07d7055e6fc6a105a4334a30791fcb5533ab..cf1915c68ef2f67f29bf71d6e704e99ddef58f00 100644
--- a/subworkflows/local/hicpro.nf
+++ b/subworkflows/local/hicpro.nf
@@ -61,6 +61,7 @@ workflow HICPRO {
         FILTER_PCR_DUP.out.bam
             .set {ch_bam}
     }
+    //TODO add versions
 
     //***************************************
     // DIGESTION PROTOCOLS
diff --git a/workflows/hic.nf b/workflows/hic.nf
index 830a4faa8abadf7d0fa1a3e1af3bfaa93e789803..11c3d818b87c5295ec0b8859b4d7e57329295332 100644
--- a/workflows/hic.nf
+++ b/workflows/hic.nf
@@ -220,6 +220,7 @@ workflow HIC {
   HIC_PLOT_MATRIX(
     COOLER.out.cool
   )
+  ch_versions = ch_versions.mix(HIC_PLOT_MATRIX.out.versions)
 
   //
   // SUB-WORKFLOW: COMPARTMENT CALLING