diff --git a/toolbx/preferences.d/unstable b/toolbx/preferences.d/unstable
new file mode 100644
index 0000000000000000000000000000000000000000..93b92685b99b07c685ca763dadeb729f84d087ea
--- /dev/null
+++ b/toolbx/preferences.d/unstable
@@ -0,0 +1,3 @@
+Package: *
+Pin: release a=unstable
+Pin-Priority: 99
diff --git a/toolbx/sources.d/unstable.sources b/toolbx/sources.d/unstable.sources
new file mode 100644
index 0000000000000000000000000000000000000000..53af038e5cfbbb4a4f89c68dc2891c7a3b0bd0d7
--- /dev/null
+++ b/toolbx/sources.d/unstable.sources
@@ -0,0 +1,5 @@
+Types: deb
+URIs: http://deb.debian.org/debian
+Suites: unstable
+Components: main
+Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg