diff --git a/ChangeLog b/ChangeLog
index eba6901..2b076b3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,7 @@
 For detailed information about the changes below, please see the git log or
 visit: http://log.libusb.info
 
-2016-09-12: v1.0.21:
+2016-10-01: v1.0.21:
 * Core: Refactor code related to transfer flags and timeout handling
 * Darwin: Ignore root hub simulation devices
 * Darwin: Improved support for OS X El Capitan
diff --git a/libusb/version.h b/libusb/version.h
index c2a3a65..a8f6739 100644
--- a/libusb/version.h
+++ b/libusb/version.h
@@ -14,5 +14,5 @@
 #endif
 /* LIBUSB_RC is the release candidate suffix. Should normally be empty. */
 #ifndef LIBUSB_RC
-#define LIBUSB_RC "-rc5"
+#define LIBUSB_RC "-rc6"
 #endif
diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index 1eb7fa8..e7cb421 100644
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11149
+#define LIBUSB_NANO 11150