diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 0bec878..6aefab2 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.5.1
+current_version = 0.5.2
 files = appletree/__init__.py
 commit = True
 tag = True
diff --git a/appletree/__init__.py b/appletree/__init__.py
index 2804cd4..2ed0a35 100644
--- a/appletree/__init__.py
+++ b/appletree/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.5.1"
+__version__ = "0.5.2"
 
 # stop jax to preallocate memory
 import os
diff --git a/pyproject.toml b/pyproject.toml
index 072a413..8e4d19e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool]
 [tool.poetry]
 name = "appletree"
-version = "0.5.1"
+version = "0.5.2"
 description = "A high-Performance Program simuLatEs and fiTs REsponse of xEnon."
 readme = "README.md"
 authors = [