diff --git a/pyproject.toml b/pyproject.toml
index c8c6d89..0d43ee2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "calfem-python"
-version = "3.6.16"
+version = "3.6.15"
 description = "CALFEM for Python"
 authors = [
     {name = "Jonas Lindemann", email = "jonas.lindemann@lunarc.lu.se"},