diff --git a/pyproject.toml b/pyproject.toml
index 8212707..0279040 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ requires = ['meson-python', 'numpy', 'pythran', 'pybind11']
 
 [project]
 name = 'scikit-primate'
-version = '0.5.5'
+version = '0.5.6'
 description = 'Package for implicit matrix function, trace, and diagonal estimation.'
 readme = 'README.md'
 requires-python = '>=3.8'