diff --git a/CHANGELOG.md b/CHANGELOG.md
index af697eac4..fa57d541f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [5.1.0](https://github.com/karma-runner/karma/compare/v5.0.9...v5.1.0) (2020-06-11)
+
+
+### Features
+
+* **proxy:** use keepAlive agent ([#3527](https://github.com/karma-runner/karma/issues/3527)) ([b77f94c](https://github.com/karma-runner/karma/commit/b77f94c1c95d0f717866eae42d478d09544b6d9d))
+
 ## [5.0.9](https://github.com/karma-runner/karma/compare/v5.0.8...v5.0.9) (2020-05-19)
 
 
diff --git a/package-lock.json b/package-lock.json
index f9cf4f510..f7bcaf943 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "karma",
-  "version": "5.0.9",
+  "version": "5.1.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index bd79da30c..f8188b47a 100644
--- a/package.json
+++ b/package.json
@@ -476,7 +476,7 @@
   "engines": {
     "node": ">= 10"
   },
-  "version": "5.0.9",
+  "version": "5.1.0",
   "license": "MIT",
   "husky": {
     "hooks": {