diff --git a/CMakeLists.txt b/CMakeLists.txt
index 60715b83..ae034d65 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,7 @@ set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/readme.md")
 set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/description.txt")
 
 set(CPACK_PACKAGE_VERSION_MAJOR 5)
-set(CPACK_PACKAGE_VERSION_MINOR 0)
+set(CPACK_PACKAGE_VERSION_MINOR 1)
 set(CPACK_PACKAGE_VERSION_PATCH 0)
 set(CPACK_PACKAGE_EXECUTABLES "chai;ChaiScript Eval")
 set(CPACK_PACKAGE_VENDOR "ChaiScript.com")
diff --git a/releasenotes.txt b/releasenotes.txt
index e50b6958..67b34b1e 100644
--- a/releasenotes.txt
+++ b/releasenotes.txt
@@ -1,3 +1,8 @@
+Changes since 5.0.0
+* Fix sizing of numeric constants to match that of the C++ standard
+* Add support for u,ll,l,f suffixes for numeric constants
+* Siginificant improvement in error reporting
+
 Changes since 4.0.0
 * Dropped boost in favor of C++11
 * Separated out stdlib to make more options for compile time improvements