diff --git a/pyproject.toml b/pyproject.toml
index 08c3561..3bc7ca2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "quaternionic"
-version = "1.0.3"
+version = "1.0.4"
 description = "Interpret numpy arrays as quaternionic arrays with numba acceleration"
 readme = "README.md"
 license = "MIT"