diff --git a/CMakeLists.txt b/CMakeLists.txt
index 296aad2..cec4470 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,8 +21,8 @@ include(CTest)
 ################################
 # set lib version here
 
-set(GENERIC_LIB_VERSION "4.0.1")
-set(GENERIC_LIB_SOVERSION "4")
+set(GENERIC_LIB_VERSION "5.0.1")
+set(GENERIC_LIB_SOVERSION "5")
 
 ################################
 # Add definitions
diff --git a/dox b/dox
index 394b182..601feed 100644
--- a/dox
+++ b/dox
@@ -38,7 +38,7 @@ PROJECT_NAME           = "TinyXML-2"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER = 4.0.1
+PROJECT_NUMBER = 5.0.1
 
 # 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/tinyxml2.h b/tinyxml2.h
index a9faacd..e6a0ced 100755
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -98,7 +98,7 @@ distribution.
 /* Versioning, past 1.0.14:
 	http://semver.org/
 */
-static const int TIXML2_MAJOR_VERSION = 4;
+static const int TIXML2_MAJOR_VERSION = 5;
 static const int TIXML2_MINOR_VERSION = 0;
 static const int TIXML2_PATCH_VERSION = 1;