diff --git a/NEWS b/NEWS
index c8ca234..1f52438 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+== 10 Jan 2014 ==
+
+gperftools 2.4 is out! The code is exactly same as 2.4rc.
+
 == 28 Dec 2014 ==
 
 gperftools 2.4rc is out!
diff --git a/configure.ac b/configure.ac
index 69fc2dd..59d275a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,11 +4,11 @@
 # make sure we're interpreted by some minimal autoconf
 AC_PREREQ([2.59])
 
-AC_INIT([gperftools],[2.3.90],[google-perftools@googlegroups.com])
+AC_INIT([gperftools],[2.4],[google-perftools@googlegroups.com])
 # Update this value for every release!  (A:B:C will map to foo.so.(A-C).C.B)
 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-TCMALLOC_SO_VERSION=6:5:2
-PROFILER_SO_VERSION=4:4:4
+TCMALLOC_SO_VERSION=6:6:2
+PROFILER_SO_VERSION=4:5:4
 
 AC_SUBST(TCMALLOC_SO_VERSION)
 AC_SUBST(PROFILER_SO_VERSION)
diff --git a/src/windows/config.h b/src/windows/config.h
index 3aef61c..9976457 100644
--- a/src/windows/config.h
+++ b/src/windows/config.h
@@ -226,7 +226,7 @@
 #define PACKAGE_NAME "gperftools"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "gperftools 2.3.90"
+#define PACKAGE_STRING "gperftools 2.4"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "gperftools"
@@ -235,7 +235,7 @@
 #undef PACKAGE_URL
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "2.3.90"
+#define PACKAGE_VERSION "2.4"
 
 /* How to access the PC from a struct ucontext */
 #undef PC_FROM_UCONTEXT
diff --git a/src/windows/gperftools/tcmalloc.h b/src/windows/gperftools/tcmalloc.h
index f02764a..9ba79a9 100644
--- a/src/windows/gperftools/tcmalloc.h
+++ b/src/windows/gperftools/tcmalloc.h
@@ -50,9 +50,9 @@
 
 // Define the version number so folks can check against it
 #define TC_VERSION_MAJOR  2
-#define TC_VERSION_MINOR  3
-#define TC_VERSION_PATCH  ".90"
-#define TC_VERSION_STRING "gperftools 2.3.90"
+#define TC_VERSION_MINOR  4
+#define TC_VERSION_PATCH  ""
+#define TC_VERSION_STRING "gperftools 2.4"
 
 #include <stdlib.h>   // for struct mallinfo, if it's defined