diff --git a/system/Dockerfile.cross b/system/Dockerfile.cross
index 1f0bcd7..2701a58 100644
--- a/system/Dockerfile.cross
+++ b/system/Dockerfile.cross
@@ -64,9 +64,9 @@ RUN dpkg --add-architecture $ARCH && \
         git \
         zlib1g-dev && \
     ( if [ "$DEBIAN_RELEASE" = "stretch" ]; then \
-        wget http://ftp.debian.org/debian/pool/main/s/systemtap/systemtap-sdt-dev_3.1-2_$ARCH.deb -O /tmp/systemtap.deb; \
+        wget http://archive.debian.org/debian/pool/main/s/systemtap/systemtap-sdt-dev_3.1-2_$ARCH.deb -O /tmp/systemtap.deb; \
       elif [ "$DEBIAN_RELEASE" = "buster" ]; then \
-        wget http://ftp.debian.org/debian/pool/main/s/systemtap/systemtap-sdt-dev_4.0-1_$ARCH.deb -O /tmp/systemtap.deb; \
+        wget http://archive.debian.org/debian/pool/main/s/systemtap/systemtap-sdt-dev_4.0-1_$ARCH.deb -O /tmp/systemtap.deb; \
       fi ) && \
     dpkg-deb -x /tmp/systemtap.deb / && \
     rm -rf /tmp/systemtap.deb /var/lib/apt/lists/*
diff --git a/system/sources.list.buster b/system/sources.list.buster
index 17c1d92..3ce7297 100644
--- a/system/sources.list.buster
+++ b/system/sources.list.buster
@@ -1,4 +1,4 @@
-deb http://deb.debian.org/debian          buster         main contrib non-free
-deb http://deb.debian.org/debian          buster-updates main contrib non-free
-deb http://deb.debian.org/debian-security buster/updates main contrib non-free
+deb http://archive.debian.org/debian          buster         main contrib non-free
+# deb http://archive.debian.org/debian          buster-updates main contrib non-free
+deb http://archive.debian.org/debian-security buster/updates main contrib non-free
 deb http://archive.ev3dev.org/debian      buster         main
diff --git a/system/sources.list.stretch b/system/sources.list.stretch
index c0f063b..5ed6ebc 100644
--- a/system/sources.list.stretch
+++ b/system/sources.list.stretch
@@ -1,4 +1,4 @@
-deb http://deb.debian.org/debian          stretch         main contrib non-free
-deb http://deb.debian.org/debian          stretch-updates main contrib non-free
-deb http://deb.debian.org/debian-security stretch/updates main contrib non-free
+deb http://archive.debian.org/debian          stretch         main contrib non-free
+# deb http://archive.debian.org/debian          stretch-updates main contrib non-free
+deb http://archive.debian.org/debian-security stretch/updates main contrib non-free
 deb http://archive.ev3dev.org/debian      stretch         main