diff --git a/.gitignore b/.gitignore
index 6ac455c..c6492d7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@ docs/_build/
 htmlcov/
 venv/
 .venv/
+.settings/
diff --git a/CHANGES.rst b/CHANGES.rst
index be2ee52..33bfe26 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,13 @@
 Changelog
 =========
 
+Changes in 3.1.1 (2023-10-09)
+---------------------------
+
+* Fixed compatibility for django-storages
+* Clean Code
+
+
 Changes in 3.1 (2023-05-12)
 ---------------------------
 
diff --git a/private_storage/__init__.py b/private_storage/__init__.py
index 8325bf4..15d4f9e 100644
--- a/private_storage/__init__.py
+++ b/private_storage/__init__.py
@@ -1,2 +1,2 @@
 # following PEP 440
-__version__ = "3.1"
+__version__ = "3.1.1"
diff --git a/private_storage/servers.py b/private_storage/servers.py
index 16156fd..561e414 100644
--- a/private_storage/servers.py
+++ b/private_storage/servers.py
@@ -16,7 +16,7 @@
 from django.views.static import serve, was_modified_since
 
 
-@lru_cache
+@lru_cache(maxsize=128)  # for backward compatibility
 def get_server_class(path):
     if '.' in path:
         return import_string(path)