diff --git a/README.md b/README.md
index e454d27..de2cde5 100644
--- a/README.md
+++ b/README.md
@@ -61,7 +61,7 @@ This fork is based on [yubox-node-org/ESPAsyncWebServer](https://github.com/yubo
 ```ini
 lib_compat_mode = strict
 lib_ldf_mode = chain
-lib_deps = mathieucarbou/ESPAsyncWebServer @ 3.3.20
+lib_deps = mathieucarbou/ESPAsyncWebServer @ 3.3.21
 ```
 
 **Dependencies:**
@@ -87,7 +87,7 @@ lib_ldf_mode = chain
 lib_deps =
   ; mathieucarbou/AsyncTCP @ 3.2.12
   https://github.com/mathieucarbou/AsyncTCPSock/archive/refs/tags/v1.0.3-dev.zip
-  mathieucarbou/ESPAsyncWebServer @ 3.3.20
+  mathieucarbou/ESPAsyncWebServer @ 3.3.21
 lib_ignore =
   AsyncTCP
   mathieucarbou/AsyncTCP
@@ -95,7 +95,7 @@ lib_ignore =
 
 ## Performance
 
-Performance of `mathieucarbou/ESPAsyncWebServer @ 3.3.20`:
+Performance of `mathieucarbou/ESPAsyncWebServer @ 3.3.21`:
 
 ```bash
 > brew install autocannon
diff --git a/docs/index.md b/docs/index.md
index f43e361..ac0547d 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -61,7 +61,7 @@ This fork is based on [yubox-node-org/ESPAsyncWebServer](https://github.com/yubo
 ```ini
 lib_compat_mode = strict
 lib_ldf_mode = chain
-lib_deps = mathieucarbou/ESPAsyncWebServer @ 3.3.20
+lib_deps = mathieucarbou/ESPAsyncWebServer @ 3.3.21
 ```
 
 **Dependencies:**
@@ -87,7 +87,7 @@ lib_ldf_mode = chain
 lib_deps =
   ; mathieucarbou/AsyncTCP @ 3.2.12
   https://github.com/mathieucarbou/AsyncTCPSock/archive/refs/tags/v1.0.3-dev.zip
-  mathieucarbou/ESPAsyncWebServer @ 3.3.20
+  mathieucarbou/ESPAsyncWebServer @ 3.3.21
 lib_ignore =
   AsyncTCP
   mathieucarbou/AsyncTCP
@@ -95,7 +95,7 @@ lib_ignore =
 
 ## Performance
 
-Performance of `mathieucarbou/ESPAsyncWebServer @ 3.3.20`:
+Performance of `mathieucarbou/ESPAsyncWebServer @ 3.3.21`:
 
 ```bash
 > brew install autocannon
diff --git a/library.json b/library.json
index e51896d..c0e428f 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "ESPAsyncWebServer",
-  "version": "3.3.20",
+  "version": "3.3.21",
   "description": "Asynchronous HTTP and WebSocket Server Library for ESP32, ESP8266 and RP2040. Supports: WebSocket, SSE, Authentication, Arduino Json 7, File Upload, Static File serving, URL Rewrite, URL Redirect, etc.",
   "keywords": "http,async,websocket,webserver",
   "homepage": "https://github.com/mathieucarbou/ESPAsyncWebServer",
diff --git a/library.properties b/library.properties
index fb92340..b33948e 100644
--- a/library.properties
+++ b/library.properties
@@ -1,6 +1,6 @@
 name=ESP Async WebServer
 includes=ESPAsyncWebServer.h
-version=3.3.20
+version=3.3.21
 author=Me-No-Dev
 maintainer=Mathieu Carbou <mathieu.carbou@gmail.com>
 sentence=Asynchronous HTTP and WebSocket Server Library for ESP32, ESP8266 and RP2040
diff --git a/src/ESPAsyncWebServer.h b/src/ESPAsyncWebServer.h
index 5103672..5a64179 100644
--- a/src/ESPAsyncWebServer.h
+++ b/src/ESPAsyncWebServer.h
@@ -48,10 +48,10 @@
 
 #include "literals.h"
 
-#define ASYNCWEBSERVER_VERSION          "3.3.20"
+#define ASYNCWEBSERVER_VERSION          "3.3.21"
 #define ASYNCWEBSERVER_VERSION_MAJOR    3
 #define ASYNCWEBSERVER_VERSION_MINOR    3
-#define ASYNCWEBSERVER_VERSION_REVISION 20
+#define ASYNCWEBSERVER_VERSION_REVISION 21
 #define ASYNCWEBSERVER_FORK_mathieucarbou
 
 #ifdef ASYNCWEBSERVER_REGEX