diff --git a/CHANGELOG.md b/CHANGELOG.md
index a97a7256b4..1de75b262a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [v6.0.0](https://github.com/swift-nav/libsbp/tree/v6.0.0) (2024-05-07)
+
+[Full Changelog](https://github.com/swift-nav/libsbp/compare/v5.0.8...v6.0.0)
+
+**Merged pull requests:**
+
+- Auto submodule update: cmake - enable c++20 \(\#173\) [\#1411](https://github.com/swift-nav/libsbp/pull/1411) ([swiftnav-svc-jenkins](https://github.com/swiftnav-svc-jenkins))
+- Fix kaitai py tests [\#1410](https://github.com/swift-nav/libsbp/pull/1410) ([woodfell](https://github.com/woodfell))
+- Alter release process in line with recent observations [\#1406](https://github.com/swift-nav/libsbp/pull/1406) ([woodfell](https://github.com/woodfell))
+- Remove legacy C API [\#1404](https://github.com/swift-nav/libsbp/pull/1404) ([woodfell](https://github.com/woodfell))
+
+
 ## [v5.0.8](https://github.com/swift-nav/libsbp/tree/v5.0.8) (2024-03-29)
 
 [Full Changelog](https://github.com/swift-nav/libsbp/compare/v5.0.7...v5.0.8)
diff --git a/c/include/libsbp/version.h b/c/include/libsbp/version.h
index 384bbb5fec..578371f8da 100644
--- a/c/include/libsbp/version.h
+++ b/c/include/libsbp/version.h
@@ -21,14 +21,14 @@
  * \{ */
 
 /** Protocol major version. */
-#define SBP_MAJOR_VERSION 5
+#define SBP_MAJOR_VERSION 6
 /** Protocol minor version. */
 #define SBP_MINOR_VERSION 0
 /** Protocol patch version. */
-#define SBP_PATCH_VERSION 8
+#define SBP_PATCH_VERSION 0
 
 /** Full SBP version string. */
-#define SBP_VERSION "5.0.9-alpha"
+#define SBP_VERSION "6.0.0"
 
 /** Is this a staging branch? */
 #define SBP_STAGING 0
diff --git a/docs/sbp.pdf b/docs/sbp.pdf
index 273858bac5..86e710b61a 100644
Binary files a/docs/sbp.pdf and b/docs/sbp.pdf differ
diff --git a/haskell/sbp.cabal b/haskell/sbp.cabal
index 83a9a6464b..f08ee5afa4 100644
--- a/haskell/sbp.cabal
+++ b/haskell/sbp.cabal
@@ -1,5 +1,5 @@
 name:                  sbp
-version:               5.0.9-alpha
+version:               6.0.0
 synopsis:              SwiftNav's SBP Library
 homepage:              https://github.com/swift-nav/libsbp
 license:               MIT
diff --git a/javascript/sbp/RELEASE-VERSION b/javascript/sbp/RELEASE-VERSION
index 683660a9e5..f4965a313a 100644
--- a/javascript/sbp/RELEASE-VERSION
+++ b/javascript/sbp/RELEASE-VERSION
@@ -1 +1 @@
-5.0.9-alpha
\ No newline at end of file
+6.0.0
\ No newline at end of file
diff --git a/kaitai/ksy/sbp.ksy b/kaitai/ksy/sbp.ksy
index 29b965cf92..26cf03badd 100644
--- a/kaitai/ksy/sbp.ksy
+++ b/kaitai/ksy/sbp.ksy
@@ -8,7 +8,7 @@
 # EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
 # WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
 #
-# Kaitai Struct definition file for Swift Binary Protocol 5.0.9-alpha
+# Kaitai Struct definition file for Swift Binary Protocol 6.0.0
 #
 # Automatically generated with generate.py.  Do not hand edit!
 
diff --git a/package-lock.json b/package-lock.json
index 3a17d731b2..7edc9f4675 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "sbp",
-  "version": "5.0.9-alpha",
+  "version": "6.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "sbp",
-      "version": "5.0.9-alpha",
+      "version": "6.0.0",
       "license": "MIT",
       "dependencies": {
         "binary-parser": "^1.7.0",
diff --git a/package.json b/package.json
index 2e0747f9b4..c57fd0bb5c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sbp",
-  "version": "5.0.9-alpha",
+  "version": "6.0.0",
   "description": "libsbp bindings for JavaScript. More information here: http://swift-nav.github.io/libsbp/",
   "files": [
     "javascript/*",
diff --git a/python/sbp/RELEASE-VERSION b/python/sbp/RELEASE-VERSION
index 683660a9e5..f4965a313a 100644
--- a/python/sbp/RELEASE-VERSION
+++ b/python/sbp/RELEASE-VERSION
@@ -1 +1 @@
-5.0.9-alpha
\ No newline at end of file
+6.0.0
\ No newline at end of file
diff --git a/rust/sbp/Cargo.toml b/rust/sbp/Cargo.toml
index 3e78338465..d3d919dc25 100644
--- a/rust/sbp/Cargo.toml
+++ b/rust/sbp/Cargo.toml
@@ -7,7 +7,7 @@
 
 [package]
 name = "sbp"
-version = "5.0.9-alpha"
+version = "6.0.0"
 description = "Rust native implementation of SBP (Swift Binary Protocol) for communicating with devices made by Swift Navigation"
 authors = ["Swift Navigation <dev@swiftnav.com>"]
 repository = "https://github.com/swift-nav/libsbp"
diff --git a/rust/sbp2json/Cargo.toml b/rust/sbp2json/Cargo.toml
index c1ad9614b4..eaf9ecea89 100644
--- a/rust/sbp2json/Cargo.toml
+++ b/rust/sbp2json/Cargo.toml
@@ -7,7 +7,7 @@
 
 [package]
 name = "sbp2json"
-version = "5.0.9-alpha"
+version = "6.0.0-unreleased"
 repository = "https://github.com/swift-nav/libsbp"
 description = "Rust native implementation of SBP (Swift Binary Protocol) to JSON conversion tools"
 authors = ["Swift Navigation <dev@swiftnav.com>"]