diff --git a/audits/README.md b/audits/README.md
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--- a/audits/README.md
+++ b/audits/README.md
@@ -10,4 +10,5 @@ Audits of the formerly shared OP Stack components can be found in [Optimism’s
 | 04/10/26 | [Cantina](https://cantina.xyz/portfolio/b72c7078-f6da-4074-a3bd-4f938f469fb7) | AggregateVerifier Multiproof Contracts 2 | [Report](./cantina_coinbase_aggregateverifier_apr2026.pdf) | [ffe2af8cbffefa44bbb1a3917507f8bd8ebec7a2](https://github.com/base/contracts/tree/ffe2af8cbffefa44bbb1a3917507f8bd8ebec7a2)  |
 | 06/04/26 | [Cantina](https://cantina.xyz/portfolio/6ce647dc-3b2c-448c-9421-426087341ce8) | Proof Contracts Update | [Report](./cantina_coinbase_proof_contracts_update_jun2026.pdf) | [e225648a7ed538e7e28c041d44f3b7a606ba7743](https://github.com/base/contracts/tree/e225648a7ed538e7e28c041d44f3b7a606ba7743)  |
 | 09/02/26 | [Cantina](https://cantina.xyz) | Cobalt Contracts (v8.3.0, excluding Dynamic Upgrades) | [Report](./cantina_coinbase_cobalt_sep2026.pdf) | [385f21a41f277d287db92fffe88dca41299162ea](https://github.com/base/contracts/tree/385f21a41f277d287db92fffe88dca41299162ea)  |
-| 09/19/26 | [Cantina](https://cantina.xyz) | Dynamic Upgrades Contracts | [Report](./cantina_coinbase_dynamic_upgrades_sep2026.pdf) | [4f7acda51dba4165361b292ae08c119f5bfa1f0d](https://github.com/base/contracts/tree/4f7acda51dba4165361b292ae08c119f5bfa1f0d)  |
\ No newline at end of file
+| 09/19/26 | [Cantina](https://cantina.xyz) | Dynamic Upgrades Contracts | [Report](./cantina_coinbase_dynamic_upgrades_sep2026.pdf) | [4f7acda51dba4165361b292ae08c119f5bfa1f0d](https://github.com/base/contracts/tree/4f7acda51dba4165361b292ae08c119f5bfa1f0d)  |
+| 10/01/26 | [Cantina](https://cantina.xyz/portfolio/2f3f64cd-a698-4ac3-9843-cc8a8ad374cb) | 200ms Blocks (AggregateVerifier, BaseTime) | [Report](./cantina_coinbase_200ms_blocks_oct2026.pdf) | [26902ae0f9a0805719aa5a83ea11e034b64e4f01](https://github.com/base/contracts/tree/26902ae0f9a0805719aa5a83ea11e034b64e4f01)  |
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diff --git a/audits/cantina_coinbase_200ms_blocks_oct2026.pdf b/audits/cantina_coinbase_200ms_blocks_oct2026.pdf
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