diff --git a/pyproject.toml b/pyproject.toml
index b28274d..9202cc2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "object-storage-api"
 description = "Python microservice providing an API for handling attachments and images in an S3 object store."
 readme = "README.md"
 requires-python = ">=3.13"
-version = "1.3.0"
+version = "1.3.1"
 
 dependencies = [
     "cryptography",