diff --git a/Dockerfile b/Dockerfile
index a1ee6af..41a32bc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3-bullseye
+FROM python:3.11.6-bullseye
 WORKDIR /app
 COPY . /app
 RUN apt update && apt install -y libolm-dev && rm -rf /var/lib/apt/lists/*