diff --git a/bip-0117.mediawiki b/bip-0117.mediawiki
index cea3a13c..b301083f 100644
--- a/bip-0117.mediawiki
+++ b/bip-0117.mediawiki
@@ -192,3 +192,5 @@ The v0 segwit rules prohibit leaving anything on the stack, so for v0 parameters
 [5] [https://github.com/bitcoin/bips/blob/master/bip-0114.mediawiki BIP114: Merkelized Abstract Syntax Tree]
 
 [6] [https://github.com/bitcoin/bips/blob/master/bip-0068.mediawiki BIP68: Relative lock-time using consensus-enforced sequence numbers]
+
+[9] [https://github.com/bitcoin/bips/blob/master/bip-0008.mediawiki BIP8: Version bits with lock-in by height]