diff --git a/doc/en/api.doxyfile b/doc/en/api.doxyfile
index 9f69ae2..b33aa11 100644
--- a/doc/en/api.doxyfile
+++ b/doc/en/api.doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "MYNT EYE S SDK"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2.2.2-rc0
+PROJECT_NUMBER         = 2.2.2-rc1
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/doc/zh-Hans/api.doxyfile b/doc/zh-Hans/api.doxyfile
index a30690b..784864b 100644
--- a/doc/zh-Hans/api.doxyfile
+++ b/doc/zh-Hans/api.doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "MYNT EYE S SDK"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2.2.2-rc0
+PROJECT_NUMBER         = 2.2.2-rc1
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a