diff --git a/pyproject.toml b/pyproject.toml
index 8afe248..a8c88a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "wordfreq"
-version = "3.1.0"
+version = "3.1.1"
 description = "Look up the frequencies of words in many languages, based on many sources of data."
 authors = ["Robyn Speer <rspeer@arborelia.net>"]
 license = "Apache-2.0"