diff --git a/packages/dune/package.py b/packages/dune/package.py
index 332f043..8289c88 100644
--- a/packages/dune/package.py
+++ b/packages/dune/package.py
@@ -171,6 +171,7 @@ class Dune(CMakePackage):
 
     extends('python')
     #option
+    depends_on('gawk')
     depends_on('cmake@3.1:', type='build')
     depends_on('mpi')
     depends_on('blas',   when='+blas')