diff --git a/docs/base-chain/node-operators/base-v1-upgrade.mdx b/docs/base-chain/node-operators/base-v1-upgrade.mdx
index 56efdae6a..a555eff75 100644
--- a/docs/base-chain/node-operators/base-v1-upgrade.mdx
+++ b/docs/base-chain/node-operators/base-v1-upgrade.mdx
@@ -15,15 +15,23 @@ For full details on what's included, see the [Azul specification](/base-chain/sp
 
 | Network | Date | Timestamp |
 |---------|------|-----------|
+| Mainnet | ~May 21, 2026 18:00 UTC | `1779386400` |
 | Sepolia | April 20, 2026 18:00 UTC | `1776708000` |
-| Mainnet | May 21, 2026 18:00 UTC | `1779386400` |
+
+<Warning>
+The mainnet activation date is tentative and subject to change. Follow [@buildonbase](https://x.com/buildonbase) for the latest updates before upgrading.
+</Warning>
 
 ## Required Software
 
-| Layer | Software | Version |
-|-------|----------|---------|
-| Execution (EL) | [`base-reth-node`](https://github.com/base/base/releases/tag/v0.7.0) | v0.7.0+ |
-| Consensus (CL) | [`base-consensus`](https://github.com/base/base/releases/tag/v0.7.0) | v0.7.0+ |
+| Layer | Software | Mainnet | Testnet |
+|-------|----------|---------|-------------------|
+| Execution (EL) | `base-reth-node` | v0.9.0+ *(coming soon)* | [v0.7.0+](https://github.com/base/base/releases/tag/v0.7.0) |
+| Consensus (CL) | `base-consensus` | v0.9.0+ *(coming soon)* | [v0.7.0+](https://github.com/base/base/releases/tag/v0.7.0) |
+
+<Note>
+Release links for v0.9.0 will be added once published to [base/base releases](https://github.com/base/base/releases).
+</Note>
 
 <Note>
 Both clients are available from the [base/node](https://github.com/base/node/releases) repository, where most configuration is preconfigured and can be overridden via environment variables. See the `.env.mainnet` and `.env.sepolia` files for the full list of configurable options.
diff --git a/docs/base-chain/specs/upgrades/azul/overview.mdx b/docs/base-chain/specs/upgrades/azul/overview.mdx
index f7106eb01..417c0a80b 100644
--- a/docs/base-chain/specs/upgrades/azul/overview.mdx
+++ b/docs/base-chain/specs/upgrades/azul/overview.mdx
@@ -16,11 +16,15 @@ Only `base-consensus` and `base-reth-node` will support the Base Azul hardfork.
 
 ## Activation Timestamps
 
-| Network   | Activation timestamp                   |
-| --------- | -------------------------------------- |
-| `mainnet` | `1779386400` (2026-05-21 18:00:00 UTC) |
+| Network | Activation timestamp |
+|---------|----------------------|
+| `mainnet` | `1779386400` (~2026-05-21 18:00:00 UTC) |
 | `sepolia` | `1776708000` (2026-04-20 18:00:00 UTC) |
 
+<Warning>
+The mainnet activation date is tentative and subject to change. Follow [@buildonbase](https://x.com/buildonbase) for the latest updates.
+</Warning>
+
 ## Execution Layer
 
 - [EIP-7823: Upper-Bound MODEXP](/base-chain/specs/upgrades/azul/exec-engine#upper-bound-modexp)