diff --git a/Dockerfile b/Dockerfile
index d37036a..4deb3c7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8.3-slim-buster
+FROM python:3.8.5-slim-buster
 WORKDIR /fedibooks
 COPY . fedibooks
 RUN pip install -r requirements.txt