diff --git a/pyproject.toml b/pyproject.toml
index 19dbf0145a52e54b5c001470e5e4f3fbad1ded24..22f18610a9317ae03eb49ae716ff6d7a250ef4c9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "nifty8"
-version = "8.5.5"
+version = "8.5.6"
 description = "Probabilistic programming framework for signal inference algorithms that operate regardless of the underlying grids and their resolutions"
 readme = "README.md"
 authors = [