diff --git a/library.json b/library.json
index 28d05f1..c7935c1 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
     "name": "CoopTask",
-    "version": "3.9.0",
+    "version": "3.10.0",
     "description": "Portable C++ library for cooperative multitasking like Arduino Scheduler on ESP8266/ESP32, AVR, Linux, Windows",
     "keywords": [
         "multitasking", "timing"
diff --git a/library.properties b/library.properties
index 06c4eef..6977983 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=CoopTask
-version=3.9.0
+version=3.10.0
 author=Dirk O. Kaar
 maintainer=Dirk O. Kaar <dok@dok-net.net>
 sentence=Portable C++ library for cooperative multitasking like Arduino Scheduler on ESP8266/ESP32, AVR, Linux, Windows