diff --git a/stacks-signer/CHANGELOG.md b/stacks-signer/CHANGELOG.md
index b02a15af4f..88154c83b1 100644
--- a/stacks-signer/CHANGELOG.md
+++ b/stacks-signer/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to the versioning scheme outlined in the [README.md](README.md).
 
+
+## [Unreleased]
+
+### Changed
+
+- Upgraded `SUPPORTED_SIGNER_PROTOCOL_VERSION` to 2, activating global signer state agreement block processing.
+
 ## [3.2.0.0.0.0]
 
 ### Added
diff --git a/stacks-signer/src/v0/signer_state.rs b/stacks-signer/src/v0/signer_state.rs
index d0183e7529..60e2b4d479 100644
--- a/stacks-signer/src/v0/signer_state.rs
+++ b/stacks-signer/src/v0/signer_state.rs
@@ -47,7 +47,7 @@ use crate::client::{ClientError, CurrentAndLastSortition, StackerDB, StacksClien
 use crate::signerdb::{BlockValidatedByReplaySet, SignerDb};
 
 /// This is the latest supported protocol version for this signer binary
-pub static SUPPORTED_SIGNER_PROTOCOL_VERSION: u64 = 1;
+pub static SUPPORTED_SIGNER_PROTOCOL_VERSION: u64 = 2;
 /// The version at which global signer state activates
 pub static GLOBAL_SIGNER_STATE_ACTIVATION_VERSION: u64 = u64::MAX;