diff --git a/README.md b/README.md
index 03362f7ae47bec62548b3cb067cf516a3ad225ac..cc35e6f54a46fd3c0374937a5c85fd6e86c44e7d 100755
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ The documentation can be found on [Read the Docs](https://robust-speckle-trackin
 
 ## Dependencies
 
-- [Python](https://www.python.org/) 3.7 or later (Python 2.x is **not** supported).
+- [Python](https://www.python.org/) 3.6 or later (Python 2.x is **not** supported).
 - [GNU Scientific Library](https://www.gnu.org/software/gsl/) 2.4 or later.
 - [LLVM's OpenMP library](http://openmp.llvm.org) 10.0.0 or later.
 - [h5py](https://www.h5py.org) 2.10.0 or later.
diff --git a/docs/conf.py b/docs/conf.py
index 8ea2c3a9b8745c1c6201d29b5d2a09d6b3ebb465..24aec531dc542d98bc73bd19a6f4ccf65dae3c68 100755
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -22,7 +22,7 @@ copyright = '2020, Nikolay Ivanov'
 author = 'Nikolay Ivanov'
 
 # The full version, including alpha/beta/rc tags
-release = '0.1.4'
+release = '0.1.5'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/docs/install.rst b/docs/install.rst
index 9f52fccabec05516c9cb078b951b5db7ab9e80b5..45475c892def65d1cff9d39a21e303c0368f7b51 100755
--- a/docs/install.rst
+++ b/docs/install.rst
@@ -5,7 +5,7 @@ Dependencies
 ------------
 pyrost has the following **mandatory** runtime dependencies:
 
-* `Python <https://www.python.org/>`_ 3.7 or later (Python 2.x is
+* `Python <https://www.python.org/>`_ 3.6 or later (Python 2.x is
   **not** supported).
 * `GNU Scientific Library <https://www.gnu.org/software/gsl/>`_ 2.4
   or later, which is used for numerical integration and pseudo-random
@@ -43,7 +43,7 @@ Installation from source
 In order to install pyrost from source you will need:
 
 * a C++ compiler (gcc or clang will do).
-* `Python <https://www.python.org/>`_ 3.7 or later (Python 2.x is
+* `Python <https://www.python.org/>`_ 3.6 or later (Python 2.x is
   **not** supported).
 * `GNU Scientific Library <https://www.gnu.org/software/gsl/>`_ 2.4
   or later, which is used for numerical integration and pseudo-random
diff --git a/setup.py b/setup.py
index 8e3b556f79e311906fef5b5eb71a264b349120da..c0e6634822ffe4f4b0b6c14c2ecb46ad5898d479 100755
--- a/setup.py
+++ b/setup.py
@@ -42,7 +42,7 @@ with open('README.md', 'r') as readme:
     long_description = readme.read()
 
 setup(name='pyrost',
-      version='0.1.4',
+      version='0.1.5',
       author='Nikolay Ivanov',
       author_email="nikolay.ivanov@desy.de",
       long_description=long_description,
@@ -60,4 +60,4 @@ setup(name='pyrost',
           "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
           "Operating System :: OS Independent"
       ],
-      python_requires='>=3.7')
+      python_requires='>=3.6')