diff --git a/CHANGELOG.md b/CHANGELOG.md
index beb3bf6..1c545b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 0.8.4 (2023-06-18)
+
+### Refactor
+
+- **entropy.py**: refactoring of all functions and docstrings
+
 ## 0.8.3 (2023-06-09)
 
 ### Fix
diff --git a/pyproject.toml b/pyproject.toml
index d85d2ea..e6d7e5b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pyentrp"
-version = "0.8.3"
+version = "0.8.4"
 description = "A Python library for computing entropy measures for time series analysis."
 authors = ["Nikolay Donets <nd@donets.org>"]
 license = "apache-2.0"
diff --git a/setup.py b/setup.py
index 7dae9d7..d22a972 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 
 setup(
     name="pyentrp",
-    version="0.8.3",
+    version="0.8.4",
     description="Functions on top of NumPy for computing different types of entropy",
     long_description=long_description,
     long_description_content_type="text/markdown",