diff --git a/book/src/paper-wallet/installation.md b/book/src/paper-wallet/installation.md
index bd06c8590e..39dfd06e8a 100644
--- a/book/src/paper-wallet/installation.md
+++ b/book/src/paper-wallet/installation.md
@@ -2,7 +2,7 @@
 Follow this guide to setup Solana's key generation tool called `solana-keygen`
 
 {% hint style="warn" %}
-After installation, ensure your version is `0.21.1` or higher by running `solana-keygen -V`
+After installation, ensure your version is `0.23.1` or higher by running `solana-keygen -V`
 {% endhint %}
 
 ## Download
diff --git a/book/src/running-validator/validator-software.md b/book/src/running-validator/validator-software.md
index 03b1b07aea..df4b2e2a43 100644
--- a/book/src/running-validator/validator-software.md
+++ b/book/src/running-validator/validator-software.md
@@ -1,14 +1,14 @@
 # Installing the Validator Software
 
 Install the Solana release
-[v0.21.0](https://github.com/solana-labs/solana/releases/tag/v0.21.0) on your
+[v0.23.1](https://github.com/solana-labs/solana/releases/tag/v0.23.1) on your
 machine by running:
 
 ```bash
-curl -sSf https://raw.githubusercontent.com/solana-labs/solana/v0.21.0/install/solana-install-init.sh | sh -s - 0.21.0
+curl -sSf https://raw.githubusercontent.com/solana-labs/solana/v0.23.1/install/solana-install-init.sh | sh -s - 0.23.1
 ```
 
-If you are connecting to a different testnet, you can replace `0.21.0` with the
+If you are connecting to a different testnet, you can replace `0.23.1` with the
 release tag matching the software version of your desired testnet, or replace it
 with the named channel `stable`, `beta`, or `edge`.
 
@@ -16,11 +16,11 @@ The following output indicates a successful update:
 
 ```text
 looking for latest release
-downloading v0.21.0 installer
+downloading v0.23.1 installer
 Configuration: /home/solana/.config/solana/install/config.yml
 Active release directory: /home/solana/.local/share/solana/install/active_release
-* Release version: 0.21.0
-* Release URL: https://github.com/solana-labs/solana/releases/download/v0.21.0/solana-release-x86_64-unknown-linux-gnu.tar.bz2
+* Release version: 0.23.1
+* Release URL: https://github.com/solana-labs/solana/releases/download/v0.23.1/solana-release-x86_64-unknown-linux-gnu.tar.bz2
 Update successful
 ```