diff --git a/book/src/SUMMARY.md b/book/src/SUMMARY.md
index 10c2158..c13a356 100644
--- a/book/src/SUMMARY.md
+++ b/book/src/SUMMARY.md
@@ -52,6 +52,7 @@
   - [RFC 0006: Dynamic database](./rfcs/RFC0006-Dynamic-Databases.md)
   - [RFC 0007: Opinionated cancelation](./rfcs/RFC0007-Opinionated-Cancelation.md)
   - [RFC 0008: Remove garbage collection](./rfcs/RFC0008-Remove-Garbage-Collection.md)
+  - [RFC 0009: Cycle recovery](./rfcs/RFC0009-Cycle-recovery.md)
 
 # Appendices