diff --git a/ca/ch/cache_control b/ca/ch/cache_control
new file mode 100644
index 0000000..b9104b9
--- /dev/null
+++ b/ca/ch/cache_control
@@ -0,0 +1 @@
+{"name":"cache_control","vers":"0.1.0","deps":[{"name":"rocket","req":"^0.5.0-rc.3","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null}],"cksum":"85b406be7cf446e263bf94efb4b9380f8b86bf0eed393a39e3cab697424fb0eb","features":{},"yanked":false}