diff --git a/include/mbedtls/version.h b/include/mbedtls/version.h
index d4e5d54..35af4cc 100644
--- a/include/mbedtls/version.h
+++ b/include/mbedtls/version.h
@@ -39,7 +39,7 @@
  * Major, Minor, Patchlevel
  */
 #define MBEDTLS_VERSION_MAJOR  2
-#define MBEDTLS_VERSION_MINOR  20
+#define MBEDTLS_VERSION_MINOR  21
 #define MBEDTLS_VERSION_PATCH  0
 
 /**
@@ -47,9 +47,9 @@
  *    MMNNPP00
  *    Major version | Minor version | Patch version
  */
-#define MBEDTLS_VERSION_NUMBER         0x02140000
-#define MBEDTLS_VERSION_STRING         "2.20.0"
-#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 2.20.0"
+#define MBEDTLS_VERSION_NUMBER         0x02150000
+#define MBEDTLS_VERSION_STRING         "2.21.0"
+#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 2.21.0"
 
 #if defined(MBEDTLS_VERSION_C)