diff --git a/glicid/packages/parallel.scm b/glicid/packages/parallel.scm
index a6ce294..584a636 100644
--- a/glicid/packages/parallel.scm
+++ b/glicid/packages/parallel.scm
@@ -7,8 +7,10 @@
   #:use-module (gnu packages gtk)  
   #:use-module (gnu packages libevent)
   #:use-module (gnu packages perl)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages compression)
   #:use-module (gnu packages mpi)
-    
+  #:use-module (gnu packages haskell-xyz) ; for pandoc
 )
 
 (define-public openpmix-3.1.5