diff --git a/setup.cfg b/setup.cfg
index c2e9b26384..44f66fef68 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -23,6 +23,7 @@ install_requires =
     matplotlib >= 2.2.0
     nibabel >= 3.0.1
     nipype >= 1.5.1
+    nilearn ~= 0.6.2
     niworkflows ~= 1.3.1
     numpy
     packaging