diff --git a/mypyc/lib-rt/CPy.h b/mypyc/lib-rt/CPy.h
index 89ef4d0749a45..c22c4162669bd 100644
--- a/mypyc/lib-rt/CPy.h
+++ b/mypyc/lib-rt/CPy.h
@@ -3,8 +3,8 @@
 #ifndef CPY_CPY_H
 #define CPY_CPY_H
 
-#include <stdbool.h>
 #include <Python.h>
+#include <stdbool.h>
 #include <frameobject.h>
 #include <structmember.h>
 #include <assert.h>
diff --git a/mypyc/lib-rt/pythonsupport.h b/mypyc/lib-rt/pythonsupport.h
index 4c82ff6a3c037..1b0583543fe48 100644
--- a/mypyc/lib-rt/pythonsupport.h
+++ b/mypyc/lib-rt/pythonsupport.h
@@ -6,8 +6,8 @@
 #ifndef CPY_PYTHONSUPPORT_H
 #define CPY_PYTHONSUPPORT_H
 
-#include <stdbool.h>
 #include <Python.h>
+#include <stdbool.h>
 #include "pythoncapi_compat.h"
 #include <frameobject.h>
 #include <assert.h>
diff --git a/mypyc/lib-rt/strings/librt_strings.h b/mypyc/lib-rt/strings/librt_strings.h
index 0bf1587e6f44f..e6236f7950929 100644
--- a/mypyc/lib-rt/strings/librt_strings.h
+++ b/mypyc/lib-rt/strings/librt_strings.h
@@ -1,8 +1,8 @@
 #ifndef LIBRT_STRINGS_H
 #define LIBRT_STRINGS_H
 
-#include <stdbool.h>
 #include <Python.h>
+#include <stdbool.h>
 #include "librt_strings_common.h"
 
 // ABI version -- only an exact match is compatible. This will only be changed in
diff --git a/mypyc/lib-rt/strings/librt_strings_api.h b/mypyc/lib-rt/strings/librt_strings_api.h
index f0bb761bcaa2e..536b90ad7f21c 100644
--- a/mypyc/lib-rt/strings/librt_strings_api.h
+++ b/mypyc/lib-rt/strings/librt_strings_api.h
@@ -4,8 +4,8 @@
 int
 import_librt_strings(void);
 
-#include <stdbool.h>
 #include <Python.h>
+#include <stdbool.h>
 #include "librt_strings.h"
 
 extern void *LibRTStrings_API[LIBRT_STRINGS_API_LEN];
diff --git a/mypyc/lib-rt/test_capi.cc b/mypyc/lib-rt/test_capi.cc
index 4b183de5743e9..bf15a47e63dd1 100644
--- a/mypyc/lib-rt/test_capi.cc
+++ b/mypyc/lib-rt/test_capi.cc
@@ -1,8 +1,8 @@
 // Test cases
 
-#include <gtest/gtest.h>
 #include <Python.h>
 #include "CPy.h"
+#include <gtest/gtest.h>
 
 static PyObject *moduleDict;