diff --git a/MANIFEST.in b/MANIFEST.in
index 3eed9ae73..26e5ebe90 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,9 +4,11 @@ prune .github
 prune data
 prune doc
 prune paper
+prune tutorials
 exclude .*.yml
 exclude .*rc
-exclude requirements*.txt
+exclude .flake8
+exclude license_notice.py
 exclude Makefile
 exclude .gitignore
 exclude .gitattributes
diff --git a/doc/install.rst b/doc/install.rst
index e963acf18..f4a3443d1 100644
--- a/doc/install.rst
+++ b/doc/install.rst
@@ -20,10 +20,10 @@ Dependencies
 ------------
 
 * `numpy <http://www.numpy.org/>`__
-* `scipy <https://docs.scipy.org/doc/scipy/reference/>`__
 * `pandas <http://pandas.pydata.org/>`__
 * `numba <https://numba.pydata.org/>`__
 * `xarray <https://xarray.pydata.org/>`__
+* `scikit-learn <https://scikit-learn.org>`__
 * `pooch <http://www.fatiando.org/pooch/>`__
 * `verde <http://www.fatiando.org/verde/>`__
 
diff --git a/environment.yml b/environment.yml
index b8b8209a7..805f8db3f 100644
--- a/environment.yml
+++ b/environment.yml
@@ -7,9 +7,9 @@ dependencies:
   - pip
   - setuptools_scm
   - numpy
-  - scipy
   - pandas
   - numba
+  - scikit-learn
   - pooch>=0.7.0
   - verde>=1.5.0
   - xarray
diff --git a/requirements.txt b/requirements.txt
index cba0c141a..5efe7d232 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 numpy
-scipy
 pandas
+scikit-learn
 numba
 pooch>=0.7.0
 xarray