diff --git a/workflow/qhtcp-workflow b/workflow/qhtcp-workflow
index cdd0aa18..89441ffe 100755
--- a/workflow/qhtcp-workflow
+++ b/workflow/qhtcp-workflow
@@ -423,9 +423,9 @@ install_dependencies() {
   debug "Running: ${FUNCNAME[0]}" "$@"
 
   # Dependency arrays
-  depends_rpm=(graphviz pandoc pdftk-java gd-devel shdoc nano rsync coreutils)
-  depends_deb=(graphviz pandoc pdftk-java libgd-dev shdoc nano rsync coreutils)
-  depends_brew=(graphiz pandoc gd pdftk-java shdoc nano rsync coreutils)
+  depends_rpm=(graphviz pandoc pdftk-java gd-devel perl-CPAN shdoc nano rsync coreutils)
+  depends_deb=(graphviz pandoc pdftk-java libgd-dev perl shdoc nano rsync coreutils)
+  depends_brew=(graphiz pandoc gd pdftk-java shdoc nano perl rsync coreutils)
   depends_perl=(File::Map ExtUtils::PkgConfig GD GO::TermFinder)
   depends_r=(BiocManager ontologyIndex ggrepel tidyverse sos openxlsx ggplot2 
     plyr extrafont gridExtra gplots stringr plotly ggthemes pandoc rmarkdown