diff --git a/Dockerfile b/Dockerfile
index 8c97c0c..eeb52fb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9
+FROM python:3.9.17
 
 COPY requirements.txt /requirements.txt
 RUN pip install --no-cache-dir -r /requirements.txt