diff --git a/nesper.nimble b/nesper.nimble
index 5f16c47..ed4ec4b 100644
--- a/nesper.nimble
+++ b/nesper.nimble
@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.3.0"
+version       = "0.4.0"
 author        = "Jaremy Creechley"
 description   = "Nim wrappers for ESP-IDF (ESP32)"
 license       = "Apache-2.0"