diff --git a/tools/cert_create/src/cmd_opt.c b/tools/cert_create/src/cmd_opt.c
index 0d47872..64180d1 100644
--- a/tools/cert_create/src/cmd_opt.c
+++ b/tools/cert_create/src/cmd_opt.c
@@ -5,10 +5,10 @@
  */
 
 #include <assert.h>
+#include <cmd_opt.h>
 #include <getopt.h>
 #include <stddef.h>
 #include <stdlib.h>
-#include <cmd_opt.h>
 #include "debug.h"
 
 /* Command line options */
diff --git a/tools/cert_create/src/main.c b/tools/cert_create/src/main.c
index 9923637..f14601c 100644
--- a/tools/cert_create/src/main.c
+++ b/tools/cert_create/src/main.c
@@ -30,8 +30,8 @@
 #include "ext.h"
 #include "key.h"
 #include "sha.h"
-#include "tbbr/tbb_ext.h"
 #include "tbbr/tbb_cert.h"
+#include "tbbr/tbb_ext.h"
 #include "tbbr/tbb_key.h"
 
 /*
diff --git a/tools/cert_create/src/sha.c b/tools/cert_create/src/sha.c
index 5d5e9e2..2971593 100644
--- a/tools/cert_create/src/sha.c
+++ b/tools/cert_create/src/sha.c
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#include <stdio.h>
 #include <openssl/sha.h>
+#include <stdio.h>
 
 #include "debug.h"