diff --git a/Dockerfile b/Dockerfile
index 10dceb2..1ae3c75 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM python:3-slim
 
 RUN apt-get update && apt-get install gnupg -y
 RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 8756C4F765C9AC3CB6B85D62379CE192D401AB61 && \
-    echo deb http://deb.seadrive.org stretch main | tee /etc/apt/sources.list.d/seafile.list && \
+    echo deb http://deb.seadrive.org buster main | tee /etc/apt/sources.list.d/seafile.list && \
     apt-get update -y && \
     apt-get install -y seafile-cli procps curl grep && \
     rm -rf /var/lib/apt/lists/*