diff --git a/comms/scrcpy/Makefile b/comms/scrcpy/Makefile
index 5291cfb2da1b..e2fd64f08b20 100644
--- a/comms/scrcpy/Makefile
+++ b/comms/scrcpy/Makefile
@@ -1,51 +1,51 @@
 PORTNAME=	scrcpy
 DISTVERSIONPREFIX=	v
-DISTVERSION=	3.3.4
-PORTREVISION=	1
+DISTVERSION=	4.0
 CATEGORIES=	comms net
 MASTER_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/releases/download/${DISTVERSIONFULL}/:server
 DISTFILES=	${SERVER_FILE}:server
 EXTRACT_ONLY=	${DISTNAME}${EXTRACT_SUFX}
 
 MAINTAINER=	tagattie@FreeBSD.org
 COMMENT=	Display and control your Android device
 WWW=		https://github.com/Genymobile/scrcpy
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libavcodec.so:multimedia/ffmpeg
 RUN_DEPENDS=	adb:devel/android-tools
 
 USES=		compiler:c++11-lang meson pkgconfig sdl
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Genymobile
 
-USE_SDL=	sdl2
+USE_SDL=	sdl3
 
 MESON_ARGS=	-Dportable=false \
 		-Dprebuilt_server=${WRKSRC}/${SERVER_FILE}
 
 PLIST_FILES=	bin/scrcpy \
 		etc/bash_completion.d/scrcpy \
 		share/applications/scrcpy-console.desktop \
 		share/applications/scrcpy.desktop \
+		share/icons/hicolor/256x256/apps/disconnected.png \
 		share/icons/hicolor/256x256/apps/scrcpy.png \
 		share/man/man1/scrcpy.1.gz \
 		${DATADIR}/scrcpy-server \
 		share/zsh/site-functions/_scrcpy
 PORTDOCS=	FAQ.md README.md
 
 OPTIONS_DEFINE=	DOCS
 
 SERVER_FILE=	${PORTNAME}-server-${DISTVERSIONFULL}
 
 post-extract:
 	${CP} ${DISTDIR}/${SERVER_FILE} ${WRKSRC}
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_MAN} ${PORTDOCS:S|^|${WRKSRC}/|} ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>
diff --git a/comms/scrcpy/distinfo b/comms/scrcpy/distinfo
index efb1b76e4700..f47f5910d2a7 100644
--- a/comms/scrcpy/distinfo
+++ b/comms/scrcpy/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1766023116
-SHA256 (scrcpy-server-v3.3.4) = 8588238c9a5a00aa542906b6ec7e6d5541d9ffb9b5d0f6e1bc0e365e2303079e
-SIZE (scrcpy-server-v3.3.4) = 90980
-SHA256 (Genymobile-scrcpy-v3.3.4_GH0.tar.gz) = 03b72d1f71ca7783cff2995ca7cd8c67b9b75038a3cc35e443a1913e951b49dd
-SIZE (Genymobile-scrcpy-v3.3.4_GH0.tar.gz) = 465799
+TIMESTAMP = 1778744865
+SHA256 (scrcpy-server-v4.0) = 84924bd564a1eb6089c872c7521f968058977f91f5ff02514a8c74aff3210f3a
+SIZE (scrcpy-server-v4.0) = 732226
+SHA256 (Genymobile-scrcpy-v4.0_GH0.tar.gz) = a62bc2639e1d56b3e7ebaa20d8deb4947dd02954b3362bdebe2ef9f7eae41b00
+SIZE (Genymobile-scrcpy-v4.0_GH0.tar.gz) = 489017
diff --git a/comms/scrcpy/files/patch-app_meson.build b/comms/scrcpy/files/patch-app_meson.build
index 7978d6be3c6a..5cc78e48b040 100644
--- a/comms/scrcpy/files/patch-app_meson.build
+++ b/comms/scrcpy/files/patch-app_meson.build
@@ -1,26 +1,26 @@
---- app/meson.build.orig	2025-03-29 15:15:14 UTC
+--- app/meson.build.orig	2026-05-12 19:35:47 UTC
 +++ app/meson.build
-@@ -67,8 +67,8 @@ conf = configuration_data()
+@@ -70,8 +70,8 @@ feature_test_macros = [
  
- conf = configuration_data()
- 
--conf.set('_POSIX_C_SOURCE', '200809L')
--conf.set('_XOPEN_SOURCE', '700')
-+# conf.set('_POSIX_C_SOURCE', '200809L')
-+# conf.set('_XOPEN_SOURCE', '700')
- conf.set('_GNU_SOURCE', true)
+ feature_test_macros = [
+     '-D_GNU_SOURCE',
+-    '-D_POSIX_C_SOURCE=200809L',
+-    '-D_XOPEN_SOURCE=700',
++#     '-D_POSIX_C_SOURCE=200809L',
++#     '-D_XOPEN_SOURCE=700',
+ ]
  
- if host_machine.system() == 'windows'
-@@ -196,10 +196,10 @@ install_data('data/bash-completion/scrcpy',
+ conf = configuration_data()
+@@ -207,10 +207,10 @@ install_data('data/bash-completion/scrcpy',
  install_data('data/zsh-completion/_scrcpy',
               install_dir: datadir / 'zsh/site-functions')
  install_data('data/bash-completion/scrcpy',
 -             install_dir: datadir / 'bash-completion/completions')
 +             install_dir: 'etc/bash_completion.d')
  
  # Desktop entry file for application launchers
 -if host_machine.system() == 'linux'
 +if host_machine.system() == 'linux' or host_machine.system() == 'freebsd'
      # Install a launcher (ex: /usr/local/share/applications/scrcpy.desktop)
      install_data('data/scrcpy.desktop',
                   install_dir: datadir / 'applications')
diff --git a/comms/scrcpy/files/patch-app_src_version.c b/comms/scrcpy/files/patch-app_src_version.c
index 9607aa6e0d74..511c4a509837 100644
--- a/comms/scrcpy/files/patch-app_src_version.c
+++ b/comms/scrcpy/files/patch-app_src_version.c
@@ -1,11 +1,11 @@
---- app/src/version.c.orig	2025-03-29 15:15:14 UTC
+--- app/src/version.c.orig	2026-05-12 19:35:47 UTC
 +++ app/src/version.c
 @@ -8,7 +8,7 @@
  # include <libavdevice/avdevice.h>
  #endif
  #ifdef HAVE_USB
 -# include <libusb-1.0/libusb.h>
 +# include <libusb.h>
  #endif
- #include <SDL2/SDL_version.h>
+ #include <SDL3/SDL_version.h>