diff --git a/modules/local/build_vep_cache.nf b/modules/local/build_vep_cache.nf
index 0fdacd1..c83c41a 100644
--- a/modules/local/build_vep_cache.nf
+++ b/modules/local/build_vep_cache.nf
@@ -48,7 +48,7 @@ process BUILD_VEP_CACHE {
 
     stub:
     """
-    touch vep_cache
+    mkdir vep_cache
     touch vep_plugin_files.csv
 
     cat <<-END_VERSIONS > versions.yml
diff --git a/modules/local/vep_gnomad_download.nf b/modules/local/vep_gnomad_download.nf
index 76ef21d..77b9e42 100644
--- a/modules/local/vep_gnomad_download.nf
+++ b/modules/local/vep_gnomad_download.nf
@@ -43,6 +43,8 @@ process VEP_GNOMAD_DOWNLOAD {
     cat <<-END_VERSIONS > versions.yml
     "${task.process}":
         wget: \$(echo wget -V 2>&1 | grep "GNU Wget" | cut -d" " -f3 > versions.yml)
+         bcftools: \$(bcftools --version 2>&1 | head -n1 | sed 's/^.*bcftools //; s/ .*\$//')
+         tabix: \$(echo \$(tabix -h 2>&1) | sed 's/^.*Version: //; s/ .*\$//')
     END_VERSIONS
     """