diff --git a/python/dalex/NEWS.md b/python/dalex/NEWS.md
index 48e92b14..c3753df7 100644
--- a/python/dalex/NEWS.md
+++ b/python/dalex/NEWS.md
@@ -1,5 +1,9 @@
 ## Changelog
 
+### development
+
+...
+
 ### v1.7.1 (2024-10-02)
 
 * `numpy>=2.0.0` compatibility: replace instances of `x.ptp()` with `np.ptp(x)` and `np.Inf` with `np.inf` ([#571](https://github.com/ModelOriented/DALEX/issues/571))
diff --git a/python/dalex/dalex/__init__.py b/python/dalex/dalex/__init__.py
index ad1f334d..418a0316 100644
--- a/python/dalex/dalex/__init__.py
+++ b/python/dalex/dalex/__init__.py
@@ -9,7 +9,7 @@
 from .aspect import Aspect
 
 
-__version__ = '1.7.1'
+__version__ = '1.7.1.9000'
 
 __all__ = [
   "Arena",