diff --git a/include/features.h b/include/features.h
index d92503dfed..093de6f44c 100644
--- a/include/features.h
+++ b/include/features.h
@@ -500,7 +500,7 @@
 /* Major and minor version number of the GNU C library package.  Use
    these macros to test for features in specific releases.  */
 #define	__GLIBC__	2
-#define	__GLIBC_MINOR__	39
+#define	__GLIBC_MINOR__	40
 
 #define __GLIBC_PREREQ(maj, min) \
 	((__GLIBC__ << 16) + __GLIBC_MINOR__ >= ((maj) << 16) + (min))
diff --git a/version.h b/version.h
index 1fb72da2a5..b51ca82078 100644
--- a/version.h
+++ b/version.h
@@ -1,4 +1,4 @@
 /* This file just defines the current version number of libc.  */
 
-#define RELEASE "development"
-#define VERSION "2.39.9000"
+#define RELEASE "stable"
+#define VERSION "2.40"