diff --git a/checkin_notes b/checkin_notes
index 591a6bcb24..87acb05207 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -6963,3 +6963,11 @@ Rom    21 Aug 2008
     win_build/installerv2/redist/Windows/src/boinccas/
         CAGrantBOINCMasterRights.cpp
         CAGrantBOINCProjectRights.cpp
+
+Rom    21 Aug 2008
+    - Tag for 6.3.9 release, all platforms
+      boinc_core_release_6_3_9
+
+    /
+        configure.ac
+        version.h
diff --git a/configure.ac b/configure.ac
index 894b3e0330..adb33d5016 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,7 +9,7 @@ dnl not sure exactly what the minimum version is (but 2.13 wont work)
 AC_PREREQ(2.57)
 
 dnl Set the BOINC version here.  You can also use the set-version script.
-AC_INIT(BOINC, 6.3.8)
+AC_INIT(BOINC, 6.3.9)
 LIBBOINC_VERSION=`echo ${PACKAGE_VERSION} | sed 's/\./:/g'`
 AC_SUBST([LIBBOINC_VERSION])
 
diff --git a/version.h b/version.h
index 16f8bbaba9..f8069075ec 100644
--- a/version.h
+++ b/version.h
@@ -10,10 +10,10 @@
 #define BOINC_MINOR_VERSION 3
 
 /* Release part of BOINC version number */
-#define BOINC_RELEASE 8
+#define BOINC_RELEASE 9
 
 /* String representation of BOINC version number */
-#define BOINC_VERSION_STRING "6.3.8"
+#define BOINC_VERSION_STRING "6.3.9"
 
 /* Package is a pre-release (Alpha/Beta) package */
 #define BOINC_PRERELEASE 1
@@ -29,13 +29,13 @@
 #define PACKAGE_NAME "BOINC"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "BOINC 6.3.8"
+#define PACKAGE_STRING "BOINC 6.3.9"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "boinc"
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "6.3.8"
+#define PACKAGE_VERSION "6.3.9"
 
 #endif /* #if (defined(_WIN32) || defined(__APPLE__)) */