diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7cfd673ff..431121a59 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [v5.0.3](https://github.com/swift-nav/libsbp/tree/v5.0.3) (2023-10-19)
+
+[Full Changelog](https://github.com/swift-nav/libsbp/compare/v5.0.2...v5.0.3)
+
+**Merged pull requests:**
+
+- handle new clippy lints [\#1364](https://github.com/swift-nav/libsbp/pull/1364) ([pcrumley](https://github.com/pcrumley))
+- Auto submodule update: cmake - Add suitesparse finder file \[OC-310\] \(\#167\) [\#1362](https://github.com/swift-nav/libsbp/pull/1362) ([swiftnav-svc-jenkins](https://github.com/swiftnav-svc-jenkins))
 ## [v5.0.2](https://github.com/swift-nav/libsbp/tree/v5.0.2) (2023-09-07)
 
 [Full Changelog](https://github.com/swift-nav/libsbp/compare/v5.0.1...v5.0.2)
diff --git a/c/include/libsbp/version.h b/c/include/libsbp/version.h
index b527c50c9..9d95c9b6b 100644
--- a/c/include/libsbp/version.h
+++ b/c/include/libsbp/version.h
@@ -28,7 +28,7 @@
 #define SBP_PATCH_VERSION 3
 
 /** Full SBP version string. */
-#define SBP_VERSION "5.0.3"
+#define SBP_VERSION "5.0.4-alpha"
 
 /** Is this a staging branch? */
 #define SBP_STAGING 0
diff --git a/docs/sbp.pdf b/docs/sbp.pdf
index 2d3c16922..5047ba67b 100644
Binary files a/docs/sbp.pdf and b/docs/sbp.pdf differ
diff --git a/haskell/sbp.cabal b/haskell/sbp.cabal
index 8216cebd6..1ef986884 100644
--- a/haskell/sbp.cabal
+++ b/haskell/sbp.cabal
@@ -1,5 +1,5 @@
 name:                  sbp
-version:               5.0.3
+version:               5.0.3-alpha
 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 26611488b..a8a5353f8 100644
--- a/javascript/sbp/RELEASE-VERSION
+++ b/javascript/sbp/RELEASE-VERSION
@@ -1 +1 @@
-5.0.3
\ No newline at end of file
+5.0.4-alpha
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index b3898f8bb..749b65e4c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "sbp",
-  "version": "5.0.3",
+  "version": "5.0.4-alpha",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "sbp",
-      "version": "5.0.3",
+      "version": "5.0.4-alpha",
       "license": "MIT",
       "dependencies": {
         "binary-parser": "^1.7.0",
diff --git a/package.json b/package.json
index 3386ea3f9..f8f4ab1a8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sbp",
-  "version": "5.0.3",
+  "version": "5.0.4-alpha",
   "description": "libsbp bindings for JavaScript. More information here: http://swift-nav.github.io/libsbp/",
   "files": [
     "javascript/*",
diff --git a/rust/sbp/Cargo.toml b/rust/sbp/Cargo.toml
index 22aedd463..4dfb26396 100644
--- a/rust/sbp/Cargo.toml
+++ b/rust/sbp/Cargo.toml
@@ -7,7 +7,7 @@
 
 [package]
 name = "sbp"
-version = "5.0.3"
+version = "5.0.4-alpha"
 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 3ed8a6b94..35c00a00b 100644
--- a/rust/sbp2json/Cargo.toml
+++ b/rust/sbp2json/Cargo.toml
@@ -7,7 +7,7 @@
 
 [package]
 name = "sbp2json"
-version = "5.0.3-unreleased"
+version = "5.0.4-alpha"
 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>"]