diff --git a/glicid/packages/parallel.scm b/glicid/packages/parallel.scm
index 478f9ab..f422cde 100644
--- a/glicid/packages/parallel.scm
+++ b/glicid/packages/parallel.scm
@@ -67,7 +67,7 @@
   #:use-module (gnu packages authentication)
   #:use-module (gnu packages bdw-gc)
   #:use-module (gnu packages boost) 
-  #:use-module (gnu packages compression)
+  #:use-module (gnu packages compression) ;; for zlib
   #:use-module (gnu packages crypto)
   #:use-module (gnu packages cryptsetup)
   #:use-module (gnu packages curl)
@@ -90,6 +90,8 @@
 ;;  #:use-module (gnu packages glicid)
   #:use-module (gnu packages pretty-print)
   #:use-module (gnu packages virtualization)
+  #:use-module (gnu packages haskell-xyz) ;; for pandoc
+  
 
 
 )
@@ -140,6 +142,8 @@
    )
   (inputs `(
             ("python", python)
+            ("zlib", zlib)
+            ("pandoc", pandoc) ; not mandatory
             ,@(package-inputs openpmix-3.1.5)
            )
   )