diff --git a/library.json b/library.json
index 2643ba6..8f96629 100644
--- a/library.json
+++ b/library.json
@@ -21,5 +21,5 @@
         "type": "git",
         "url": "https://github.com/Links2004/arduinoWebSockets.git"
     },
-    "version": "2.3.3"
+    "version": "2.3.4"
 }
\ No newline at end of file
diff --git a/library.properties b/library.properties
index 4ff5abc..a9bff7a 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=WebSockets
-version=2.3.3
+version=2.3.4
 author=Markus Sattler
 maintainer=Markus Sattler
 sentence=WebSockets for Arduino (Server + Client)
diff --git a/src/WebSocketsVersion.h b/src/WebSocketsVersion.h
index 09075d8..2194280 100644
--- a/src/WebSocketsVersion.h
+++ b/src/WebSocketsVersion.h
@@ -1,6 +1,6 @@
 /**
  * @file WebSocketsVersion.h
- * @date 07.01.2021
+ * @date 31.01.2021
  * @author Markus Sattler
  *
  * Copyright (c) 2015 Markus Sattler. All rights reserved.
@@ -25,12 +25,12 @@
 #ifndef WEBSOCKETSVERSION_H_
 #define WEBSOCKETSVERSION_H_
 
-#define WEBSOCKETS_VERSION "2.3.3"
+#define WEBSOCKETS_VERSION "2.3.4"
 
 #define WEBSOCKETS_VERSION_MAJOR 2
 #define WEBSOCKETS_VERSION_MINOR 3
-#define WEBSOCKETS_VERSION_PATCH 3
+#define WEBSOCKETS_VERSION_PATCH 4
 
-#define WEBSOCKETS_VERSION_INT 2003003
+#define WEBSOCKETS_VERSION_INT 2003004
 
 #endif /* WEBSOCKETSVERSION_H_ */