diff --git a/CHANGE_HISTORY.md b/CHANGE_HISTORY.md
index a7ba2a43..f9b4f1d6 100644
--- a/CHANGE_HISTORY.md
+++ b/CHANGE_HISTORY.md
@@ -1,3 +1,18 @@
+## <small>5.1.2 (2023-12-04)</small>
+
+* Normalize request body ContentTypes (#863) ([0099b0d](https://github.com/cdimascio/express-openapi-validator/commit/0099b0d)), closes [#863](https://github.com/cdimascio/express-openapi-validator/issues/863)
+* Safer handling of multipart nested JSON body props (#878) ([807e09c](https://github.com/cdimascio/express-openapi-validator/commit/807e09c)), closes [#878](https://github.com/cdimascio/express-openapi-validator/issues/878)
+
+
+
+## <small>5.1.1 (2023-11-21)</small>
+
+* Pass-through HttpError caught in multipart handler (#867) ([240c876](https://github.com/cdimascio/express-openapi-validator/commit/240c876)), closes [#867](https://github.com/cdimascio/express-openapi-validator/issues/867)
+* v5.1.0 ([a9a3b0b](https://github.com/cdimascio/express-openapi-validator/commit/a9a3b0b))
+* v5.1.1 ([a4e62ac](https://github.com/cdimascio/express-openapi-validator/commit/a4e62ac))
+
+
+
 ## 5.1.0 (2023-11-12)
 
 * Allow optional use of `req.url` (#857) ([f732379](https://github.com/cdimascio/express-openapi-validator/commit/f732379)), closes [#857](https://github.com/cdimascio/express-openapi-validator/issues/857)
@@ -120,16 +135,3 @@
 
 
 
-## <small>4.13.7 (2022-03-27)</small>
-
-* migrate README to wiki ([4887ba5](https://github.com/cdimascio/express-openapi-validator/commit/4887ba5))
-* Update README ([13b26d6](https://github.com/cdimascio/express-openapi-validator/commit/13b26d6))
-
-
-
-## <small>4.13.6 (2022-03-13)</small>
-
-* v4.13.6 ([0deb38f](https://github.com/cdimascio/express-openapi-validator/commit/0deb38f))
-
-
-
diff --git a/package-lock.json b/package-lock.json
index 818b54a0..f639f376 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "express-openapi-validator",
-  "version": "5.1.1",
+  "version": "5.1.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "express-openapi-validator",
-      "version": "5.1.1",
+      "version": "5.1.2",
       "license": "MIT",
       "dependencies": {
         "@apidevtools/json-schema-ref-parser": "^9.1.2",
diff --git a/package.json b/package.json
index 12cf2458..ba87f904 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "express-openapi-validator",
-  "version": "5.1.1",
+  "version": "5.1.2",
   "description": "Automatically validate API requests and responses with OpenAPI 3 and Express.",
   "main": "dist/index.js",
   "scripts": {