diff --git a/dockerfiles/buster/Dockerfile b/dockerfiles/buster/Dockerfile
index b74b163c..fe6b411b 100644
--- a/dockerfiles/buster/Dockerfile
+++ b/dockerfiles/buster/Dockerfile
@@ -6,7 +6,7 @@ RUN echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian/ bust
         echo "deb-src [arch=amd64] http://debian-archive.trafficmanager.net/debian/ buster main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian-security/ buster/updates main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb-src [arch=amd64] http://debian-archive.trafficmanager.net/debian-security/ buster/updates main contrib non-free" >> /etc/apt/sources.list && \
-        echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian buster-backports main" >> /etc/apt/sources.list
+        echo "deb [arch=amd64] http://archive.debian.org/debian buster-backports main contrib non-free" >> /etc/apt/sources.list
 
 ## Make apt-get non-interactive
 ENV DEBIAN_FRONTEND=noninteractive
diff --git a/dockerfiles/buster/Dockerfile.saithrift-server b/dockerfiles/buster/Dockerfile.saithrift-server
index f692cfa4..89e3ff0e 100644
--- a/dockerfiles/buster/Dockerfile.saithrift-server
+++ b/dockerfiles/buster/Dockerfile.saithrift-server
@@ -4,7 +4,7 @@ RUN echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian/ bust
         echo "deb-src [arch=amd64] http://debian-archive.trafficmanager.net/debian/ buster main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian-security/ buster/updates main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb-src [arch=amd64] http://debian-archive.trafficmanager.net/debian-security/ buster/updates main contrib non-free" >> /etc/apt/sources.list && \
-        echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian buster-backports main" >> /etc/apt/sources.list
+        echo "deb [arch=amd64] http://archive.debian.org/debian buster-backports main contrib non-free" >> /etc/apt/sources.list
 
 ## Make apt-get non-interactive
 ENV DEBIAN_FRONTEND=noninteractive
diff --git a/dockerfiles/buster/Dockerfile.server b/dockerfiles/buster/Dockerfile.server
index b0a909d6..443ca5bd 100644
--- a/dockerfiles/buster/Dockerfile.server
+++ b/dockerfiles/buster/Dockerfile.server
@@ -6,7 +6,7 @@ RUN echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian/ bust
         echo "deb-src [arch=amd64] http://debian-archive.trafficmanager.net/debian/ buster main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian-security/ buster/updates main contrib non-free" >> /etc/apt/sources.list && \
         echo "deb-src [arch=amd64] http://debian-archive.trafficmanager.net/debian-security/ buster/updates main contrib non-free" >> /etc/apt/sources.list && \
-        echo "deb [arch=amd64] http://debian-archive.trafficmanager.net/debian buster-backports main" >> /etc/apt/sources.list
+        echo "deb [arch=amd64] http://archive.debian.org/debian buster-backports main contrib non-free" >> /etc/apt/sources.list
 
 ## Make apt-get non-interactive
 ENV DEBIAN_FRONTEND=noninteractive