diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8681fa4..371b15d 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,5 +9,5 @@ include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 # "Trim" the build. Include the minimal set of components, main, and anything it depends on.
 idf_build_set_property(MINIMAL_BUILD ON)
 
-set(PROJECT_VER "2.2.5")
+set(PROJECT_VER "2.2.6")
 project(xiaozhi)