diff --git a/CHANGELOG.md b/CHANGELOG.md
index 221a34a3a..d3eeb2d2f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ This project adheres to [Semantic Versioning](https://semver.org), except that 
 
 Do not manually edit this file. It will be automatically updated when a new release is published.
 
+## 0.31.1
+_25 March 2024_
+
+* Adds Action changes field as option vec of serde_json value ([#431](https://github.com/contentauth/c2pa-rs/pull/431))
+
 ## 0.31.0
 _13 March 2024_
 
diff --git a/README.md b/README.md
index 56417422a..d958a23ea 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ Add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-c2pa = "0.31.0"
+c2pa = "0.31.1"
 ```
 
 If you want to read or write a manifest file, add the `file_io` dependency to your `Cargo.toml`.
diff --git a/export_schema/Cargo.toml b/export_schema/Cargo.toml
index a0b008bd3..12bc554c7 100644
--- a/export_schema/Cargo.toml
+++ b/export_schema/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "export_schema"
-version = "0.31.0"
+version = "0.31.1"
 authors = ["Dave Kozma <dkozma@adobe.com>"]
 license = "MIT OR Apache-2.0"
 edition = "2018"
diff --git a/make_test_images/Cargo.toml b/make_test_images/Cargo.toml
index 094d5cffc..3f7dcfffc 100644
--- a/make_test_images/Cargo.toml
+++ b/make_test_images/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "make_test_images"
-version = "0.31.0"
+version = "0.31.1"
 authors = ["Gavin Peacock <gpeacock@adobe.com>"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index 02c9d2d04..78adbb6d5 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "c2pa"
-version = "0.31.0"
+version = "0.31.1"
 description = "Rust SDK for C2PA (Coalition for Content Provenance and Authenticity) implementors"
 authors = [
 	"Maurice Fisher <mfisher@adobe.com>",