diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4049a97..a8194ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## v0.3.1 (2024-10-12)
+
+### Fix
+
+- Restore and modernize docker build (#15)
+
 ## v0.3.0 (2024-10-12)
 
 ### Feat
diff --git a/drmeter/__init__.py b/drmeter/__init__.py
index 128cf2b..6cd32a8 100644
--- a/drmeter/__init__.py
+++ b/drmeter/__init__.py
@@ -6,4 +6,4 @@
     "dynamic_range",
 ]
 
-__version__ = "0.3.0"
+__version__ = "0.3.1"
diff --git a/pyproject.toml b/pyproject.toml
index cbc316d..5a1edf1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "drmeter"
-version = "0.3.0"
+version = "0.3.1"
 description = "Dynamic Range (DR) algorithm implementation in python"
 authors = ["Jan Willhaus <mail@janwillhaus.de>"]
 license = "MIT"