diff --git a/DEPENDS.txt b/DEPENDS.txt
index 13e56598..e66d53cc 100644
--- a/DEPENDS.txt
+++ b/DEPENDS.txt
@@ -16,6 +16,7 @@ Runtime requirements
 * `NetworkX <https://networkx.github.io>`__
 * `Pillow <https://pypi.python.org/pypi/Pillow>`__
    (or `PIL <http://www.pythonware.com/products/pil/>`__)
+* `dask array <http://dask.pydata.org/en/latest/>`__
 
 Known build errors
 ------------------
@@ -52,9 +53,6 @@ functionality is only available with the following installed:
 * `imread <http://pythonhosted.org/imread/>`__
   Optional io plugin providing most standard `formats <http://pythonhosted.org//imread/formats.html>`__.
 
-* `dask array<dask.pydata.org/en/latest/>`__
-  Package used for ``apply_parallel`` out-of-core and parallel computations.
-
 
 Testing requirements
 --------------------