diff --git a/setup.cfg b/setup.cfg
index 4957ab9af9..862be8ea4e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -23,7 +23,7 @@ install_requires =
     matplotlib >= 2.2.0
     nibabel >= 3.0.1
     nipype >= 1.5.1
-    niworkflows ~= 1.3.1
+    niworkflows >= 1.4.0rc0, <1.5
     numpy
     packaging
     pybids >= 0.11.1
@@ -62,6 +62,7 @@ test =
     codecov
     pytest
     pytest-cov
+    pytest-env
 tests =
     %(test)s
 all =