diff --git a/0576-efi-http-change-uint32_t-to-uintn_t-for-grub_efi_htt.patch b/0576-efi-http-change-uint32_t-to-uintn_t-for-grub_efi_htt.patch
new file mode 100644
index 00000000..65ac476e
--- /dev/null
+++ b/0576-efi-http-change-uint32_t-to-uintn_t-for-grub_efi_htt.patch
@@ -0,0 +1,30 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Matt Hsiao <matt.hsiao@hpe.com>
+Date: Mon, 24 Apr 2023 13:39:05 +0800
+Subject: [PATCH] efi/http: change uint32_t to uintn_t for
+ grub_efi_http_message_t
+
+Modify UINT32 to UINTN in EFI_HTTP_MESSAGE to be UEFI 2.9 compliant.
+
+Signed-off-by: Matt Hsiao <matt.hsiao@hpe.com>
+Signed-off-by: Nicolas Frayer <nfrayer@redhat.com>
+---
+ include/grub/efi/http.h | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/include/grub/efi/http.h b/include/grub/efi/http.h
+index c5e9a89f5050..ad164ba1913d 100644
+--- a/include/grub/efi/http.h
++++ b/include/grub/efi/http.h
+@@ -171,9 +171,9 @@ typedef struct {
+     grub_efi_http_request_data_t *request;
+     grub_efi_http_response_data_t *response;
+   } data;
+-  grub_efi_uint32_t header_count;
++  grub_efi_uintn_t header_count;
+   grub_efi_http_header_t *headers;
+-  grub_efi_uint32_t body_length;
++  grub_efi_uintn_t body_length;
+   void *body;
+ } grub_efi_http_message_t;
+ 
diff --git a/grub.patches b/grub.patches
index 3eacbac0..ef2f8f04 100644
--- a/grub.patches
+++ b/grub.patches
@@ -573,3 +573,4 @@ Patch0572: 0572-font-Assign-null_font-to-glyphs-in-ascii_font_glyph.patch
 Patch0573: 0573-normal-charset-Fix-an-integer-overflow-in-grub_unico.patch
 Patch0574: 0574-Enable-TDX-measurement-to-RTMR-register.patch
 Patch0575: 0575-Enable-shared-processor-mode-in-vector-5.patch
+Patch0576: 0576-efi-http-change-uint32_t-to-uintn_t-for-grub_efi_htt.patch
diff --git a/grub2.spec b/grub2.spec
index 64bb1246..c500332d 100644
--- a/grub2.spec
+++ b/grub2.spec
@@ -7,7 +7,7 @@
 Name:		grub2
 Epoch:		1
 Version:	2.02
-Release:	148%{?dist}
+Release:	149%{?dist}
 Summary:	Bootloader with support for Linux, Multiboot and more
 Group:		System Environment/Base
 License:	GPLv3+
@@ -510,6 +510,10 @@ fi
 %endif
 
 %changelog
+* Wed Jun 14 2023 Nicolas Frayer <nfrayer@redhat.com> - 2.02-149
+- efi/http: change uint32_t to uintn_t for grub_efi_http_message_t
+- Resolves: #2178388
+
 * Mon Feb 06 2023 Robbie Harwood <rharwood@redhat.com> - 2.02-148
 - ppc64le: cas5, take 3
 - Resolves: #2139508