diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10e7720c..600f4359 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
 ArduinoJson: change log
 =======================
 
-HEAD
-----
+v5.10.0
+-------
 
 * Removed configurable number of decimal places (issues #288, #427 and #506)
 * Changed exponentation thresholds to `1e7` and `1e-5` (issues #288, #427 and #506)
@@ -86,7 +86,6 @@ v5.8.0
 
 ### BREAKING CHANGES :warning:
 
-
 `JsonBuffer::parseObject()` and  `JsonBuffer::parseArray()` have been pulled down to the derived classes `DynamicJsonBuffer` and `StaticJsonBufferBase`.
 
 This means that if you have code like:
@@ -103,6 +102,7 @@ void myFunction(StaticJsonBufferBase& jsonBuffer);
 template<typename TJsonBuffer> void myFunction(TJsonBuffer& jsonBuffer);
 ```
 
+
 v5.7.3
 ------
 
@@ -136,7 +136,6 @@ v5.7.0
 
 ### BREAKING CHANGES :warning:
 
-
 The non-template functions `JsonObject::get()` and `JsonArray.get()` have been removed. This means that you need to explicitely tell the type you expect in return.
 
 Old code:
diff --git a/appveyor.yml b/appveyor.yml
index de296a39..14925f1a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 5.9.0.{build}
+version: 5.10.0.{build}
 environment:
   matrix:
   - CMAKE_GENERATOR: Visual Studio 14 2015
diff --git a/library.json b/library.json
index d19849af..8da0d227 100644
--- a/library.json
+++ b/library.json
@@ -6,7 +6,7 @@
     "type": "git",
     "url": "https://github.com/bblanchon/ArduinoJson.git"
   },
-  "version": "5.9.0",
+  "version": "5.10.0",
   "authors": {
     "name": "Benoit Blanchon",
     "url": "https://blog.benoitblanchon.fr"
diff --git a/library.properties b/library.properties
index 6dd07279..3fe7dd95 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=ArduinoJson
-version=5.9.0
+version=5.10.0
 author=Benoit Blanchon <blog.benoitblanchon.fr>
 maintainer=Benoit Blanchon <blog.benoitblanchon.fr>
 sentence=An efficient and elegant JSON library for Arduino.