diff --git a/debian/control b/debian/control
index a0053d7208..f9d27243a0 100644
--- a/debian/control
+++ b/debian/control
@@ -17,6 +17,7 @@ Build-Depends:
 	libghc-quickcheck2-dev,
 	libghc-monad-control-dev (>= 0.3),
 	libghc-lifted-base-dev,
+	libghc-unix-compat-dev,
 	libghc-dlist-dev,
 	libghc-uuid-dev,
 	libghc-json-dev,
diff --git a/doc/install/fromscratch.mdwn b/doc/install/fromscratch.mdwn
index cf8f95c4f6..2112a01f07 100644
--- a/doc/install/fromscratch.mdwn
+++ b/doc/install/fromscratch.mdwn
@@ -48,6 +48,7 @@ quite a lot.
   * [xml-types](http://hackage.haskell.org/package/xml-types)
   * [async](http://hackage.haskell.org/package/async)
   * [HTTP](http://hackage.haskell.org/package/HTTP)
+  * [unix-compat](http://hackage.haskell.org/package/unix-compat)
 * Shell commands
   * [git](http://git-scm.com/)
   * [xargs](http://savannah.gnu.org/projects/findutils/)