diff --git a/Dockerfile b/Dockerfile
index ae1b42a..6c0c620 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.10-alpine
+FROM python:3.11-alpine
 WORKDIR /app
 COPY . /app
 RUN pip install .
diff --git a/setup.cfg b/setup.cfg
index 1c372d7..3dc35fb 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = smsbot
-version = 0.0.3
+version = 0.0.4
 description = A simple Telegram bot to receive SMS messages.
 long_description = file: README.md, LICENSE
 license = MIT
@@ -9,7 +9,7 @@ classifiers =
     Framework :: Flask
     License :: OSI Approved :: MIT License
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.11
 
 [options]
 zip_safe = False