diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4bd799b..5de4796 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -85,7 +85,7 @@ add_definitions ( -DSUPPORT_ASIAN_ENCODINGS=1 )
 add_definitions ( -DSUPPORT_ACCESSIBILITY_CHECKS=1 )
 add_definitions ( -DLIBTIDY_VERSION="${LIBTIDY_VERSION}" )
 add_definitions ( -DRELEASE_DATE="${tidy_YEAR}/${tidy_MONTH}/${tidy_DAY}" )
-add_definitions ( -DRC_NUMBER="EXP2" )
+add_definitions ( -DRC_NUMBER="EXP3" )
 
 # Issue #188 - Support user items in platform.h
 if (TIDY_CONFIG_FILE)
diff --git a/version.txt b/version.txt
index cf919b0..104e254 100644
--- a/version.txt
+++ b/version.txt
@@ -1,2 +1,2 @@
-5.1.14
-2015.09.27
+5.1.15
+2015.10.14