diff --git a/CHANGELOG.md b/CHANGELOG.md
index 561a31f..a5b2236 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v1.3.1 (14.04.2025)
+
+* Update readme and docs
+
 ## v1.3.0 (14.04.2025)
 
 * Bump minimal Python version to 3.10
diff --git a/README.md b/README.md
index ec9b03a..b864f30 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ or Poetry:
 poetry add csaps
 ```
 
-The module depends only on NumPy and SciPy. Python 3.9 or above is supported.
+The module depends only on NumPy and SciPy. Python 3.10 or above is supported.
 
 ## Simple Examples
 
@@ -97,15 +97,30 @@ plt.show()
 
 More examples of usage and the full documentation can be found at https://csaps.readthedocs.io.
 
-## Testing
+# Development
 
-We use pytest for testing.
+We use Poetry to manage the project:
 
 ```
 git clone https://github.com/espdev/csaps.git
 cd csaps
-poetry install
+poetry install -E docs
+```
+
+Also, install pre-commit hooks:
+
+```
+poetry run pre-commit install
+```
+
+## Testing and Linting
+
+We use pytest for testing and ruff/mypy for linting.
+Use `poethepoet` to run tests and linters:
+
+```
 poetry run poe test
+poetry run poe check
 ```
 
 ## Algorithm and Implementation
@@ -113,12 +128,11 @@ poetry run poe test
 **csaps** Python package is inspired by MATLAB [CSAPS](https://www.mathworks.com/help/curvefit/csaps.html) function that is an implementation of 
 Fortran routine SMOOTH from [PGS](http://pages.cs.wisc.edu/~deboor/pgs/) (originally written by Carl de Boor).
 
-Also the algothithm implementation in other languages:
+Also, the algothithm implementation in other languages:
 
 * [csaps-rs](https://github.com/espdev/csaps-rs) Rust ndarray/sprs based implementation
 * [csaps-cpp](https://github.com/espdev/csaps-cpp) C++11 Eigen based implementation (incomplete)
 
-
 ## References
 
 C. de Boor, A Practical Guide to Splines, Springer-Verlag, 1978.
diff --git a/docs/conf.py b/docs/conf.py
index 3c943fb..182f6a9 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -19,7 +19,7 @@
 # -- Project information -----------------------------------------------------
 
 project = 'csaps'
-copyright = '2017-2023, Eugene Prilepin'  # noqa
+copyright = '2017-2025, Eugene Prilepin'  # noqa
 author = 'Eugene Prilepin'
 
 
diff --git a/docs/index.rst b/docs/index.rst
index 5a3578c..4d16072 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -40,7 +40,7 @@ You can install and update csaps using pip:
 
 The module depends only on NumPy and SciPy.
 
-Python 3.6 or above is supported.
+Python 3.10 or above is supported.
 
 Content
 -------
diff --git a/pyproject.toml b/pyproject.toml
index df58123..670062e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "csaps"
-version = "1.3.0"
+version = "1.3.1"
 description = "Cubic spline approximation (smoothing)"
 authors = ["Evgeny Prilepin <esp.home@gmail.com>"]
 license = "MIT"