diff --git a/docs-src/config.toml b/docs-src/config.toml
index 35cdce9..e338a69 100644
--- a/docs-src/config.toml
+++ b/docs-src/config.toml
@@ -4,7 +4,7 @@ langs = ["en", "ja"]
 
 [site]
 title = "cpp-httplib"
-version = "0.41.0"
+version = "0.42.0"
 hostname = "https://yhirose.github.io"
 base_path = "/cpp-httplib"
 footer_message = "© 2026 Yuji Hirose. All rights reserved."
diff --git a/httplib.h b/httplib.h
index c49b9b2..e399b88 100644
--- a/httplib.h
+++ b/httplib.h
@@ -8,8 +8,8 @@
 #ifndef CPPHTTPLIB_HTTPLIB_H
 #define CPPHTTPLIB_HTTPLIB_H
 
-#define CPPHTTPLIB_VERSION "0.41.0"
-#define CPPHTTPLIB_VERSION_NUM "0x002900"
+#define CPPHTTPLIB_VERSION "0.42.0"
+#define CPPHTTPLIB_VERSION_NUM "0x002a00"
 
 #ifdef _WIN32
 #if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0A00