diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index a35493a1..ce710480 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
-  "packages/core": "0.4.7",
+  "packages/core": "0.4.8",
   "packages/fetch-mock": "10.1.1"
 }
diff --git a/package-lock.json b/package-lock.json
index 0c6bbed1..bd753fe3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27328,7 +27328,7 @@
     },
     "packages/core": {
       "name": "@fetch-mock/core",
-      "version": "0.4.7",
+      "version": "0.4.8",
       "license": "ISC",
       "dependencies": {
         "dequal": "^2.0.3",
diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
index 04250412..40f517ea 100644
--- a/packages/core/CHANGELOG.md
+++ b/packages/core/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.8](https://github.com/wheresrhys/fetch-mock/compare/core-v0.4.7...core-v0.4.8) (2024-08-03)
+
+
+### Documentation Changes
+
+* document and test behaviour with multiple missing headers ([88d0440](https://github.com/wheresrhys/fetch-mock/commit/88d0440b814a0f3309f49c30d6c81d899ebc65a6))
+
 ## [0.4.7](https://github.com/wheresrhys/fetch-mock/compare/core-v0.4.6...core-v0.4.7) (2024-08-02)
 
 
diff --git a/packages/core/package.json b/packages/core/package.json
index 1a4f4101..7a64f928 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@fetch-mock/core",
   "description": "Utility for creating mock fetch implementation",
-  "version": "0.4.7",
+  "version": "0.4.8",
   "main": "./dist/commonjs.js",
   "module": "./src/index.js",
   "exports": {