diff --git a/Changes.md b/Changes.md
index 179a460..b521bbb 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,6 +1,11 @@
 ### Unreleased
 
 
+### [1.3.1] - 2023-12-03
+
+- transaction: update Buffer syntax (sync with Haraka) (#56)
+
+
 ### [1.3.0] - 2023-06-08
 
 - dep(haraka-results): require at least 2.2 (due to redis dep)
@@ -181,3 +186,4 @@
 [1.2.0]: https://github.com/haraka/test-fixtures/releases/tag/1.2.0
 [1.2.1]: https://github.com/haraka/test-fixtures/releases/tag/1.2.1
 [1.3.0]: https://github.com/haraka/test-fixtures/releases/tag/1.3.0
+[1.4.0]: https://github.com/haraka/test-fixtures/releases/tag/1.4.0
diff --git a/package.json b/package.json
index f160143..7bfb8c5 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "name": "haraka-test-fixtures",
   "license": "MIT",
   "description": "Haraka Test Fixtures",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "repository": {
     "type": "git",
     "url": "git@github.com:haraka/test-fixtures.git"