diff --git a/pyproject.toml b/pyproject.toml
index 0c6c05686f..ec9f1f3837 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "splink"
-version = "0.3.0"
+version = "0.3.1"
 description = "Implementation in Apache Spark of the EM algorithm to estimate parameters of Fellegi-Sunter's canonical model of record linkage."
 authors = ["Robin Linacre <robinlinacre@hotmail.com>", "Sam Lindsay", "Theodore Manassis"]
 license = "MIT"