diff --git a/CMakeLists.txt b/CMakeLists.txt
index 71419ab..bdd53f9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,8 +23,9 @@ 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 1)
-set(CPACK_PACKAGE_VERSION_PATCH 1)
+set(CPACK_PACKAGE_VERSION_MINOR 2)
+set(CPACK_PACKAGE_VERSION_PATCH 0)
+
 set(CPACK_PACKAGE_EXECUTABLES "chai;ChaiScript Eval")
 set(CPACK_PACKAGE_VENDOR "ChaiScript.com")
 set(CPACK_PACKAGE_CONTACT "contact@chaiscript.com")
diff --git a/releasenotes.txt b/releasenotes.txt
index 67b34b1..7de42a6 100644
--- a/releasenotes.txt
+++ b/releasenotes.txt
@@ -1,3 +1,7 @@
+Changes since 5.1.0
+* Add support for automatic conversion of arithmetic types when possible
+  and when no ambiguous method dispatch exists.
+
 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