diff --git a/CHANGELOG.md b/CHANGELOG.md
index 22ae6974..8e13daaa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
 ArduinoJson: change log
 =======================
 
-HEAD
-----
+v5.11.0
+-------
 
 * Made `JsonBuffer` non-copyable (PR #524 by @luisrayas3)
 * Added `StaticJsonBuffer::clear()`
diff --git a/appveyor.yml b/appveyor.yml
index ea4fa07e..9adaf5b1 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 5.10.1.{build}
+version: 5.11.0.{build}
 environment:
   matrix:
   - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
diff --git a/library.json b/library.json
index be4fb351..b647a844 100644
--- a/library.json
+++ b/library.json
@@ -6,7 +6,7 @@
     "type": "git",
     "url": "https://github.com/bblanchon/ArduinoJson.git"
   },
-  "version": "5.10.1",
+  "version": "5.11.0",
   "authors": {
     "name": "Benoit Blanchon",
     "url": "https://blog.benoitblanchon.fr"
diff --git a/library.properties b/library.properties
index 6eb6cd06..ffedbd99 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=ArduinoJson
-version=5.10.1
+version=5.11.0
 author=Benoit Blanchon <blog.benoitblanchon.fr>
 maintainer=Benoit Blanchon <blog.benoitblanchon.fr>
 sentence=An efficient and elegant JSON library for Arduino.