diff --git a/.cl-source-registry.cache b/.cl-source-registry.cache
new file mode 100644
index 0000000000000000000000000000000000000000..77152dda0c1f9f696f0f79b49e8aedbf44dc56a5
--- /dev/null
+++ b/.cl-source-registry.cache
@@ -0,0 +1 @@
+(:source-registry-cache "asdf.asd" "uiop/asdf-driver.asd" "uiop/uiop.asd")