diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c823ac39..94919f04d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,8 +3,8 @@ SET(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/CMakeModules)
 
 PROJECT(RapidJSON CXX)
 
-set(LIB_MAJOR_VERSION "0")
-set(LIB_MINOR_VERSION "12")
+set(LIB_MAJOR_VERSION "1")
+set(LIB_MINOR_VERSION "0")
 set(LIB_PATCH_VERSION "0")
 set(LIB_VERSION_STRING "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_PATCH_VERSION}")
 
diff --git a/appveyor.yml b/appveyor.yml
index d1a910896..890f9d9a5 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 0.12.{build}
+version: 1.0.0.{build}
 
 configuration:
 - Debug
diff --git a/include/rapidjson/rapidjson.h b/include/rapidjson/rapidjson.h
index 4351aeae9..938a3ce4a 100644
--- a/include/rapidjson/rapidjson.h
+++ b/include/rapidjson/rapidjson.h
@@ -17,7 +17,7 @@
 
 /*!\file rapidjson.h
     \brief common definitions and configuration
-
+    
     \see RAPIDJSON_CONFIG
  */
 
@@ -39,6 +39,40 @@
 #include <cstdlib>  // malloc(), realloc(), free(), size_t
 #include <cstring>  // memset(), memcpy(), memmove(), memcmp()
 
+///////////////////////////////////////////////////////////////////////////////
+// RAPIDJSON_VERSION_STRING
+//
+// ALWAYS synchronize the following 3 macros with corresponding variables in /CMakeLists.txt.
+//
+
+//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
+// token stringification
+#define RAPIDJSON_STRINGIFY(x) RAPIDJSON_DO_STRINGIFY(x)
+#define RAPIDJSON_DO_STRINGIFY(x) #x
+//!@endcond
+
+/*! \def RAPIDJSON_MAJOR_VERSION
+    \ingroup RAPIDJSON_CONFIG
+    \brief Major version of RapidJSON in integer.
+*/
+/*! \def RAPIDJSON_MINOR_VERSION
+    \ingroup RAPIDJSON_CONFIG
+    \brief Minor version of RapidJSON in integer.
+*/
+/*! \def RAPIDJSON_PATCH_VERSION
+    \ingroup RAPIDJSON_CONFIG
+    \brief Patch version of RapidJSON in integer.
+*/
+/*! \def RAPIDJSON_VERSION_STRING
+    \ingroup RAPIDJSON_CONFIG
+    \brief Version of RapidJSON in "<major>.<minor>.<patch>" string format.
+*/
+#define RAPIDJSON_MAJOR_VERSION 1
+#define RAPIDJSON_MINOR_VERSION 0
+#define RAPIDJSON_PATCH_VERSION 0
+#define RAPIDJSON_VERSION_STRING \
+    RAPIDJSON_STRINGIFY(RAPIDJSON_MAJOR_VERSION.RAPIDJSON_MINOR_VERSION.RAPIDJSON_PATCH_VERSION)
+
 ///////////////////////////////////////////////////////////////////////////////
 // RAPIDJSON_NAMESPACE_(BEGIN|END)
 /*! \def RAPIDJSON_NAMESPACE
@@ -353,10 +387,6 @@ RAPIDJSON_NAMESPACE_END
 #define RAPIDJSON_VERSION_CODE(x,y,z) \
   (((x)*100000) + ((y)*100) + (z))
 
-// token stringification
-#define RAPIDJSON_STRINGIFY(x) RAPIDJSON_DO_STRINGIFY(x)
-#define RAPIDJSON_DO_STRINGIFY(x) #x
-
 ///////////////////////////////////////////////////////////////////////////////
 // RAPIDJSON_DIAG_PUSH/POP, RAPIDJSON_DIAG_OFF
 
diff --git a/readme.md b/readme.md
index 8a7264f9c..007596a40 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,7 @@
 ![](doc/logo/rapidjson.png)
+
+![](https://img.shields.io/badge/release-v1.0.0-blue.png)
+
 ## A fast JSON parser/generator for C++ with both SAX/DOM style API 
 
 Tencent is pleased to support the open source community by making RapidJSON available.
diff --git a/readme.zh-cn.md b/readme.zh-cn.md
index 91ab10ddf..be3849a71 100644
--- a/readme.zh-cn.md
+++ b/readme.zh-cn.md
@@ -1,5 +1,7 @@
 ![](doc/logo/rapidjson.png)
 
+![](https://img.shields.io/badge/release-v1.0.0-blue.png)
+
 Tencent is pleased to support the open source community by making RapidJSON available.
 
 Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
diff --git a/test/unittest/unittest.cpp b/test/unittest/unittest.cpp
index c475179ed..4e3bc11e6 100644
--- a/test/unittest/unittest.cpp
+++ b/test/unittest/unittest.cpp
@@ -13,10 +13,13 @@
 // specific language governing permissions and limitations under the License.
 
 #include "unittest.h"
+#include "rapidjson/rapidjson.h"
 
 int main(int argc, char **argv) {
     ::testing::InitGoogleTest(&argc, argv);
 
+    std::cout << "RapidJSON v" << RAPIDJSON_VERSION_STRING << std::endl;
+
 #if _MSC_VER
     _CrtMemState memoryState = { 0 };
     _CrtMemCheckpoint(&memoryState);