diff --git a/sources.list b/sources.list
new file mode 100644
index 0000000..3aaf3be
--- /dev/null
+++ b/sources.list
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+deb http://archive.ubuntu.com/ubuntu/ focal main restricted
+deb http://archive.ubuntu.com/ubuntu/ focal-updates main restricted
+deb http://archive.ubuntu.com/ubuntu/ focal universe
+deb http://archive.ubuntu.com/ubuntu/ focal-updates universe
+deb http://archive.ubuntu.com/ubuntu/ focal multiverse
+deb http://archive.ubuntu.com/ubuntu/ focal-updates multiverse
+deb http://archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse
+deb http://security.ubuntu.com/ubuntu/ focal-security main restricted
+deb http://security.ubuntu.com/ubuntu/ focal-security universe
+deb http://security.ubuntu.com/ubuntu/ focal-security multiverse