diff --git a/INSTALL.rst b/INSTALL.rst
index c7cc5df8bf2bffeeae05b2dbb42698f61f294325..466fd5d16f8d095c93db3d41b158530d25f4049f 100644
--- a/INSTALL.rst
+++ b/INSTALL.rst
@@ -32,18 +32,18 @@ Building Kwant requires
  * `Python <https://www.python.org/>`_ 3.4 or above (Kwant 1.1 is the last
    version to support Python 2),
  * `NumPy <http://numpy.org/>`_ 1.8.1 or newer,
- * `SciPy <https://scipy.org/>`_ 0.13.3 or newer,
+ * `SciPy <https://scipy.org/>`_ 0.14 or newer,
  * `LAPACK <http://netlib.org/lapack/>`_ and `BLAS <http://netlib.org/blas/>`_,
    (For best performance we recommend the free `OpenBLAS
    <http://www.openblas.net/>`_ or the nonfree `MKL
    <https://software.intel.com/en-us/intel-mkl>`_.)
- * `Tinyarray <https://gitlab.kwant-project.org/kwant/tinyarray>`_, a NumPy-like
-   Python package optimized for very small arrays,
+ * `Tinyarray <https://gitlab.kwant-project.org/kwant/tinyarray>`_ 1.2 or newer,
+a NumPy-like Python package optimized for very small arrays,
  * An environment which allows to compile Python extensions written in C and
    C++.
 
 The following software is highly recommended though not strictly required:
- * `matplotlib <http://matplotlib.org/>`_ 1.3.1 or newer, for the module `kwant.plotter` and the tutorial,
+ * `matplotlib <http://matplotlib.org/>`_ 1.4.2 or newer, for the module `kwant.plotter` and the tutorial,
  * `SymPy <http://sympy.org/>`_ 0.7.6 or newer, for the subpackage `kwant.continuum`.
  * `MUMPS <http://graal.ens-lyon.fr/MUMPS/>`_, a sparse linear algebra library
    that will in many cases speed up Kwant several times and reduce the memory
diff --git a/setup.py b/setup.py
index 14df72adc544a3d8f7e35edd95797734accbb52e..f3268a2abf4bbf5a1bc34aed30b2810528fff5da 100755
--- a/setup.py
+++ b/setup.py
@@ -637,8 +637,8 @@ def main():
                     'build_tut': build_tut,
                     'test': test},
           ext_modules=exts,
-          install_requires=['numpy >= 1.8.1', 'scipy >= 0.14.0',
-                            'tinyarray >= 1.2.0'],
+          install_requires=['numpy >= 1.8.1', 'scipy >= 0.14',
+                            'tinyarray >= 1.2'],
           extras_require={
               'plotting': 'matplotlib >= 1.4.2',
               # Ubuntu 16.04 is the oldest supported distro with python3-sympy