diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index e461892..5be0261 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -344,6 +344,7 @@
 * PBKDF2 (HMAC-SHA1) from :rfc:`6070`.
 * scrypt from the `draft RFC`_.
 * X9.63 KDF from `NIST CAVP`_.
+* SP 800-108 Counter Mode KDF (HMAC-SHA1, HMAC-SHA224, HMAC-SHA256, HMAC-SHA512) from `NIST CAVP`_.
 
 Key wrapping
 ~~~~~~~~~~~~