diff --git a/src/http/ngx_http_mruby_module.h b/src/http/ngx_http_mruby_module.h
index cf6fa044..1a6985d4 100644
--- a/src/http/ngx_http_mruby_module.h
+++ b/src/http/ngx_http_mruby_module.h
@@ -15,7 +15,7 @@
 #include <mruby/compile.h>
 
 #define MODULE_NAME "ngx_mruby"
-#define MODULE_VERSION "2.4.1"
+#define MODULE_VERSION "2.4.2"
 
 typedef enum code_type_t { NGX_MRB_CODE_TYPE_FILE, NGX_MRB_CODE_TYPE_STRING } code_type_t;