diff --git a/ConfigSpace/__version__.py b/ConfigSpace/__version__.py
index 749bd389..1cad3df1 100644
--- a/ConfigSpace/__version__.py
+++ b/ConfigSpace/__version__.py
@@ -1,4 +1,4 @@
 """Version information."""
 
 # The following line *must* be the last in the module, exactly as formatted:
-__version__ = "0.4.12"
+__version__ = "0.4.13"
diff --git a/changelog.md b/changelog.md
index bee1d8aa..e5d30a9e 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,12 @@
+# Version 0.4.13
+
+* ADD Python3.8 support, drop Python3.5 support (#144, #153)
+* FIX copy weights of `CategoricalHyperparameter` (#148)
+* FIX store weights of `CategoricalHyperparameter`, raise an error message
+  for the other output writers (#152).
+* FIX correct types in util function `fix_types` (#134)
+* MAINT unit test of the source distribution (#154)
+
 # Version 0.4.12
 
 * ADD #135: Add weights to the sampling of categorical hyperparameters.
diff --git a/setup.py b/setup.py
index 061f2fb7..e1e10524 100644
--- a/setup.py
+++ b/setup.py
@@ -50,7 +50,7 @@ def finalize_options(self):
 TEST_SUITE = "pytest"
 SETUP_REQS = ['numpy', 'cython']
 INSTALL_REQS = ['numpy', 'cython', 'pyparsing']
-MIN_PYTHON_VERSION = '>=3.5.*'
+MIN_PYTHON_VERSION = '>=3.6.*'
 CLASSIFIERS = ['Programming Language :: Python :: 3.6',
                'Programming Language :: Python :: 3.7',
                'Programming Language :: Python :: 3.8',