diff --git a/CHANGELOG.md b/CHANGELOG.md
index a8464fc..5c5bdd1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,20 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+v3.2.3 (2026-10-12)
+-------------------
+
+Core version reporting, lockstep with the agent family at 3.2.3 (v3.2.3)
+-----------------------------------------------------------------------
+
+### Note
+
+- The crate version moves to 3.2.3 so all five agents ship the same version.
+
+### Changed
+
+- With the `guard-core` feature enabled, `GuardAgent::new` fills `guard_core_version` from `guard_core_rs::VERSION` when it is unset, so the Guard SaaS sees which core is running; a value set by the caller wins. The optional `guard-core-rs` requirement moves to 4.3.3.
+
 v3.2.2 (2026-10-09)
 -------------------
 
diff --git a/Cargo.lock b/Cargo.lock
index 394e865..26964a1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -770,7 +770,7 @@ dependencies = [
 
 [[package]]
 name = "guard-agent-rs"
-version = "3.2.2"
+version = "3.2.3"
 dependencies = [
  "aes-gcm",
  "async-trait",
@@ -797,7 +797,7 @@ dependencies = [
 
 [[package]]
 name = "guard-core-engine"
-version = "4.3.2"
+version = "4.3.3"
 dependencies = [
  "chrono",
  "chrono-tz",
@@ -815,7 +815,7 @@ dependencies = [
 
 [[package]]
 name = "guard-core-rs"
-version = "4.3.2"
+version = "4.3.3"
 dependencies = [
  "chrono",
  "guard-core-engine",
diff --git a/Cargo.toml b/Cargo.toml
index bd87230..ed35377 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ resolver = "3"
 
 [package]
 name          = "guard-agent-rs"
-version       = "3.2.2"
+version       = "3.2.3"
 authors       = ["Renzo Franceschini <rennf93@users.noreply.github.com>"]
 categories    = ["web-programming"]
 description   = "Telemetry and monitoring agent for the Guard ecosystem (Rust)."
@@ -39,7 +39,7 @@ base64    = "0.23"
 rand      = "0.10"
 chrono      = { version = "0.4", default-features = false, features = ["clock", "serde", "std"] }
 flate2      = "1"
-guard-core-rs = { version = "4.3.1", path = "../guard-core-rs/crates/guard-core-rs", optional = true, default-features = false }
+guard-core-rs = { version = "4.3.3", path = "../guard-core-rs/crates/guard-core-rs", optional = true, default-features = false }
 hmac        = "0.13"
 log         = "0.4"
 redis       = { version = "1", default-features = false, features = ["tokio-comp"], optional = true }
diff --git a/README.md b/README.md
index 5b4834d..55cf003 100644
--- a/README.md
+++ b/README.md
@@ -146,7 +146,7 @@ ___
 
 ## Status
 
-Released. Version 3.2.2, published to crates.io.
+Released. Version 3.2.3, published to crates.io.
 
 ## Features
 
diff --git a/src/agent.rs b/src/agent.rs
index 94ab7cb..0c0a1e0 100644
--- a/src/agent.rs
+++ b/src/agent.rs
@@ -278,6 +278,10 @@ impl GuardAgent {
     pub fn new(config: AgentConfig) -> Result<Self, GuardAgentError> {
         let mut config = config;
         config.validate()?;
+        #[cfg(feature = "guard-core")]
+        if config.guard_core_version.is_none() {
+            config.guard_core_version = Some(guard_core_rs::VERSION.to_owned());
+        }
         let config = Arc::new(config);
 
         let install_id = resolve_install_id(config.install_id.as_deref());
@@ -1390,6 +1394,25 @@ mod tests {
         GuardAgent::new(config).expect("valid config")
     }
 
+    #[cfg(feature = "guard-core")]
+    #[tokio::test]
+    async fn guard_core_version_defaults_to_the_linked_core_and_yields_to_a_set_value() {
+        let agent = agent_for_test();
+        assert_eq!(
+            agent.shared.config.guard_core_version.as_deref(),
+            Some(guard_core_rs::VERSION)
+        );
+
+        let mut config = AgentConfig::new("test-api-key-1234");
+        config.endpoint = "http://127.0.0.1:9".to_owned();
+        config.guard_core_version = Some("0.0.1".to_owned());
+        let pinned = GuardAgent::new(config).expect("valid config");
+        assert_eq!(
+            pinned.shared.config.guard_core_version.as_deref(),
+            Some("0.0.1")
+        );
+    }
+
     #[tokio::test]
     async fn debug_and_install_id_expose_the_configuration_shape() {
         let mut config = AgentConfig::new("test-api-key-1234");