Update library version number to 2.13.1
diff --git a/include/mbedtls/version.h b/include/mbedtls/version.h
index 17b8ba4..326b8bd 100644
--- a/include/mbedtls/version.h
+++ b/include/mbedtls/version.h
@@ -40,16 +40,16 @@
  */
 #define MBEDTLS_VERSION_MAJOR  2
 #define MBEDTLS_VERSION_MINOR  13
-#define MBEDTLS_VERSION_PATCH  0
+#define MBEDTLS_VERSION_PATCH  1
 
 /**
  * The single version number has the following structure:
  *    MMNNPP00
  *    Major version | Minor version | Patch version
  */
-#define MBEDTLS_VERSION_NUMBER         0x020D0000
-#define MBEDTLS_VERSION_STRING         "2.13.0"
-#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 2.13.0"
+#define MBEDTLS_VERSION_NUMBER         0x020D0100
+#define MBEDTLS_VERSION_STRING         "2.13.1"
+#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 2.13.1"
 
 #if defined(MBEDTLS_VERSION_C)