diff --git a/package/libdisplay-info/0001-cta-include-sys-types.h.patch b/package/libdisplay-info/0001-cta-include-sys-types.h.patch
deleted file mode 100644
index 59049b0a94..0000000000
--- a/package/libdisplay-info/0001-cta-include-sys-types.h.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-From e569a92539c96acd2a618729827c8fbf3659d803 Mon Sep 17 00:00:00 2001
-From: Bernd Kuhls <bernd@kuhls.net>
-Date: Tue, 7 Oct 2025 22:44:01 +0200
-Subject: [PATCH] cta: include sys/types.h
-
-Fixes build error with uClibc-based toolchain and gcc 15.2.0 found by
-Buildroot autobuilders[1]:
-
-../cta.c: In function 'parse_vendor_hdmi_block':
-../cta.c:168:15: error: unknown type name 'ssize_t'; did you mean 'size_t'?
-
-[1] https://autobuild.buildroot.org/results/2d72feabdd0c9e1c9aa89e6d683d5f5ae0bb942d/
-
-Upstream: https://gitlab.freedesktop.org/emersion/libdisplay-info/-/commit/84e8da3de9a89a95c4305abf6f578feae66dfa69
-
-Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
----
- cta.c | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/cta.c b/cta.c
-index 12187cc..53edfca 100644
---- a/cta.c
-+++ b/cta.c
-@@ -4,6 +4,7 @@
- #include <math.h>
- #include <stdlib.h>
- #include <string.h>
-+#include <sys/types.h>
- 
- #include "bits.h"
- #include "cta.h"
--- 
-2.47.3
-
diff --git a/package/libdisplay-info/libdisplay-info.hash b/package/libdisplay-info/libdisplay-info.hash
index 8c6f077679..c748a92b65 100644
--- a/package/libdisplay-info/libdisplay-info.hash
+++ b/package/libdisplay-info/libdisplay-info.hash
@@ -1,6 +1,5 @@
-# From https://gitlab.freedesktop.org/emersion/libdisplay-info/-/releases/0.3.0/downloads/libdisplay-info-0.3.0.tar.xz.sha256sum
-sha256  6ae77cd937f9cf7d1321d35c116062c4911e8447010a6a713ac4286f7a9d5987  libdisplay-info-0.3.0.tar.xz
-# From https://lore.freedesktop.org/wayland-devel/47m6wyRq0q-sgX6zWXuZfexFdml2vTqsHKkdCBXBWywBql7gG9F9or9JsCm690MBXEmnnUEML0JnCIbUNma_a7tFKUPZ6bHPYa86b0gjYB0=@emersion.fr/
-sha512  3266633d75ccd345dda5a8aad75f310e55a77654b48f17a247b35e18060b6db1047a69083cd286b43ec893125a36c4c43659af8f74a04da3278eea9fdd91efe9  libdisplay-info-0.3.0.tar.xz
+# From https://lore.freedesktop.org/wayland-devel/m8VW4lhPjVf_0WLHD9BxrcFL67zweO2GpHqTEWBsrK4SQzFV1iuVJ9I3I_hAASg9hNA5hWmQxxEFetyGsNOtM7Z5Cwefi66h-FzVKMGKkIs=@emersion.fr/T/#u
+sha256  43b180baa143e2035654759d84e2b2f5ee77d5fe817c423838c7fe59c0d68459  libdisplay-info-0.4.0.tar.xz
+sha512  3f237788b1b2c6154f81e7a905eae778e21fa1e94e6a2e025ad6ad4971146cf312e2e663aae46f4808a180c77e650d9ab627abee0e352c327dc7d6798887af24  libdisplay-info-0.4.0.tar.xz
 # Locally computed
 sha256  15b396244e58830c5614b9394f4deccfe684970cd507f299383ab57ad339eedd  LICENSE
diff --git a/package/libdisplay-info/libdisplay-info.mk b/package/libdisplay-info/libdisplay-info.mk
index ea5cf1af2d..64ed5f2e5d 100644
--- a/package/libdisplay-info/libdisplay-info.mk
+++ b/package/libdisplay-info/libdisplay-info.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBDISPLAY_INFO_VERSION = 0.3.0
+LIBDISPLAY_INFO_VERSION = 0.4.0
 LIBDISPLAY_INFO_SOURCE = libdisplay-info-$(LIBDISPLAY_INFO_VERSION).tar.xz
 LIBDISPLAY_INFO_SITE = https://gitlab.freedesktop.org/emersion/libdisplay-info/-/releases/$(LIBDISPLAY_INFO_VERSION)/downloads
 LIBDISPLAY_INFO_LICENSE = MIT