diff --git a/zip-0243.rst b/zip-0243.rst
index 02206302..c42c46b6 100644
--- a/zip-0243.rst
+++ b/zip-0243.rst
@@ -544,5 +544,6 @@ References
 .. [#BLAKE2-personalization] `"BLAKE2: simpler, smaller, fast as MD5", Section 2.8 <https://blake2.net/blake2.pdf>`_
 .. [#zip-0143] `ZIP 143: Transaction Signature Verification for Overwinter <https://github.com/zcash/zips/blob/master/zip-0143.rst>`_
 .. [#zip-0200] `ZIP 200: Network Upgrade Mechanism <https://github.com/zcash/zips/blob/master/zip-0200.rst>`_
+.. [#zip-0205] `ZIP 205: Deployment of the Sapling Network Upgrade <https://github.com/zcash/zips/blob/master/zip-0205.rst>`_
 .. [#test-vectors] `ZIP 243 Test Vectors <https://github.com/zcash-hackworks/zcash-test-vectors/blob/master/zip_0243.py>`_
 .. [#sighash-tests] `SignatureHash Test Vectors <https://github.com/zcash/zcash/blob/master/src/test/data/sighash.json>`_