diff --git a/derivative/__version__.py b/derivative/__version__.py
index 3775afe..1e25219 100644
--- a/derivative/__version__.py
+++ b/derivative/__version__.py
@@ -1 +1 @@
-__version__: str = '0.6.0'
+__version__: str = '0.6.1'
diff --git a/pyproject.toml b/pyproject.toml
index 20fd541..8c2510b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "derivative"
-version = "0.6.0"
+version = "0.6.1"
 description = "Numerical differentiation in python."
 repository = "https://github.com/andgoldschmidt/derivative"
 documentation = "https://derivative.readthedocs.io/"
@@ -41,4 +41,4 @@ requires = ["poetry-core>=1.1.0"]
 build-backend = "poetry.core.masonry.api"
 
 [tool.poetry.plugins.'derivative.hyperparam_opt']
-"kalman.default" = "derivative.utils:_default_kalman"
\ No newline at end of file
+"kalman.default" = "derivative.utils:_default_kalman"