diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 19c8cdd27c..ef9fe85cab 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{".":"0.3.0","ts":"0.3.0"}
\ No newline at end of file
+{".":"0.3.1","ts":"0.3.1"}
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 57d3e650c7..25cd5a62e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.3.1](https://github.com/AztecProtocol/barretenberg/compare/barretenberg-v0.3.0...barretenberg-v0.3.1) (2023-07-11)
+
+
+### Features
+
+* Sentence case changelog titles ([#598](https://github.com/AztecProtocol/barretenberg/issues/598)) ([1466108](https://github.com/AztecProtocol/barretenberg/commit/146610857ae511e9cfb27f873f49cec2dd19ddad))
+
 ## 0.3.0 (2023-07-11)
 
 
diff --git a/VERSION b/VERSION
index df9c7a0e1f..d0ece9e27c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-v0.3.0 x-release-please-version
+v0.3.1 x-release-please-version
diff --git a/barretenberg-wasm.nix b/barretenberg-wasm.nix
index 63385a5ae3..e226658518 100644
--- a/barretenberg-wasm.nix
+++ b/barretenberg-wasm.nix
@@ -6,7 +6,7 @@ in
 stdenv.mkDerivation
 {
   pname = "barretenberg.wasm";
-  version = "0.3.0"; # x-release-please-version
+  version = "0.3.1"; # x-release-please-version
 
   src = ./cpp;
 
diff --git a/barretenberg.nix b/barretenberg.nix
index 5360f3fa1b..732f915b31 100644
--- a/barretenberg.nix
+++ b/barretenberg.nix
@@ -14,7 +14,7 @@ in
 buildEnv.mkDerivation
 {
   pname = "libbarretenberg";
-  version = "0.3.0"; # x-release-please-version
+  version = "0.3.1"; # x-release-please-version
 
   src = ./cpp;
 
diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index aeee687de6..f341b8ba04 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -6,7 +6,7 @@ cmake_minimum_required(VERSION 3.24)
 project(
     Barretenberg
     DESCRIPTION "BN254 elliptic curve library, and PLONK SNARK prover"
-    VERSION 0.3.0 # x-release-please-version
+    VERSION 0.3.1 # x-release-please-version
     LANGUAGES CXX C
 )
 
diff --git a/ts/CHANGELOG.md b/ts/CHANGELOG.md
index 1c2f8d40b8..21bc8d4d15 100644
--- a/ts/CHANGELOG.md
+++ b/ts/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.3.1](https://github.com/AztecProtocol/barretenberg/compare/barretenberg.js-v0.3.0...barretenberg.js-v0.3.1) (2023-07-11)
+
+
+### Miscellaneous Chores
+
+* **barretenberg.js:** Synchronize barretenberg versions
+
 ## 0.3.0 (2023-07-11)
 
 
diff --git a/ts/package.json b/ts/package.json
index 41b8a15983..ee318e7110 100644
--- a/ts/package.json
+++ b/ts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@aztec/bb.js",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "license": "MIT",
   "type": "module",
   "typedoc": {