diff --git a/library.json b/library.json
index 869368ba..43bd2d87 100644
--- a/library.json
+++ b/library.json
@@ -6,7 +6,7 @@
     "type": "git",
     "url": "https://github.com/bblanchon/ArduinoJson.git"
   },
-  "version": "5.1.0-beta.1",
+  "version": "5.1.0-beta.2",
   "authors": {
     "name": "Benoit Blanchon",
     "url": "http://blog.benoitblanchon.fr"
diff --git a/library.properties b/library.properties
index dd313313..6e9766b3 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=ArduinoJson
-version=5.1.0-beta.1
+version=5.1.0-beta.2
 author=Benoit Blanchon <blog.benoitblanchon.fr>
 maintainer=Benoit Blanchon <blog.benoitblanchon.fr>
 sentence=An efficient and elegant JSON library for Arduino.