diff --git a/pyproject.toml b/pyproject.toml
index 87986f017..348c3e4a6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pheval"
-version = "0.3.7"
+version = "0.3.8"
 description = ""
 authors = ["Yasemin Bridges <y.bridges@qmul.ac.uk>",
   "Julius Jacobsen <j.jacobsen@qmul.ac.uk>",