diff --git a/README.md b/README.md
index 65bb379d..131ea871 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Reference implementation of Kava, a blockchain for cross-chain DeFi. Built using
 
 ## Mainnet
 
-Note, the current recommended version of the software for mainnet is v0.11.0. The master branch of this repository often contains considerable development work since the last mainnet release and is __not__ runnable on mainnet.
+The current recommended version of the software for mainnet is [v0.12.1](https://github.com/Kava-Labs/kava/releases/tag/v0.12.1). The master branch of this repository often contains considerable development work since the last mainnet release and is __not__ runnable on mainnet.
 
 ### Installation
 
diff --git a/docs/.vuepress/config.js b/docs/.vuepress/config.js
index 97f1ab52..aedbeb33 100644
--- a/docs/.vuepress/config.js
+++ b/docs/.vuepress/config.js
@@ -46,10 +46,6 @@ module.exports = {
             {
               title: "JavaScript SDK",
               path: "/building/javascript-sdk.html"
-            },
-            {
-              title: "Migration Guide: kava-3",
-              path: "/building/kava-3-migration-guide.html"
             }
           ]
         },
diff --git a/docs/pre.sh b/docs/pre.sh
index ceed4f5c..774cca6c 100755
--- a/docs/pre.sh
+++ b/docs/pre.sh
@@ -23,9 +23,6 @@ parent:
   order: false
 ---" > "./${clientDir}/readme.md"
 
-# Copy the kava-3-migration guide
-cp ../contrib/kava-3/migration.md "./${clientDir}/kava-3-migration-guide.md"
-
 # Kava Tools docs
 toolsGitRepo="kava-tools"
 toolsDir="tools"
diff --git a/docs/readme.md b/docs/readme.md
index efa9bd40..bdcbb92b 100644
--- a/docs/readme.md
+++ b/docs/readme.md
@@ -14,24 +14,31 @@ Reference implementation of Kava, a blockchain for cross-chain DeFi. Built using
 
 ## Mainnet
 
-The current recommended version of the software for mainnet is [v0.10.0](https://github.com/Kava-Labs/kava/releases/tag/v0.10.0). Note, the master branch of this repository contains development work since the last mainnet release and it may **not** be runnable on mainnet.
+The current recommended version of the software for mainnet is [v0.12.1](https://github.com/Kava-Labs/kava/releases/tag/v0.12.1). Note, the master branch of this repository contains development work since the last mainnet release and it may **not** be runnable on mainnet.
 
 ### Installation
 
 ```bash
-git checkout v0.10.0
+git checkout v0.12.1
 make install
 ```
 
 ### Upgrade
 
-The mainnet upgrade to `kava-3` took place on June 10th, 2020 at 14:00 UTC. The version of Kava for `kava-3` is [__v0.10.0__](https://github.com/Kava-Labs/kava/releases/tag/v0.10.0).
+The scheduled mainnet upgrade to `kava-4` took place on October 15th, 2020 at 14:00 UTC. The current version of Kava for `kava-4` is [__v0.12.1__](https://github.com/Kava-Labs/kava/releases/tag/v0.12.1).
 
-Migration instructions can be found [here](https://github.com/Kava-Labs/kava/blob/v0.10.0/contrib/kava-3/migration.md).
+The canonical genesis file can be found [here](https://github.com/Kava-Labs/launch/tree/master/kava-4)
+
+The canonical genesis file hash is
+
+```
+jq -S -c -M '' genesis.json | shasum -a 256
+# 760cd37ab07d136e5cbb8795244683f0725f63f5c69ccf61626fe735f1ed9793
+```
 
 ## Testnet
 
-The recommended version of the software for kava-testnet-6000 is v0.8.0-rc1. For further information on joining the testnet, head over to the [testnet repo](https://github.com/Kava-Labs/kava-testnets).
+For further information on joining the testnet, head over to the [testnet repo](https://github.com/Kava-Labs/kava-testnets).
 
 ## License