diff --git a/net-irc/weechat/patches/weechat-4.5.1.patchset b/net-irc/weechat/patches/weechat-4.5.1.patchset
new file mode 100644
index 000000000..267d803c1
--- /dev/null
+++ b/net-irc/weechat/patches/weechat-4.5.1.patchset
@@ -0,0 +1,23 @@
+From 088eb7159107ad804200af6dfce5edc7aedb5252 Mon Sep 17 00:00:00 2001
+From: Schrijvers Luc <begasus@gmail.com>
+Date: Wed, 1 Jan 2025 21:32:12 +0100
+Subject: Redefine htobe64 for Haiku
+
+
+diff --git a/src/core/core-crypto.c b/src/core/core-crypto.c
+index dc23469..2dcd987 100644
+--- a/src/core/core-crypto.c
++++ b/src/core/core-crypto.c
+@@ -38,6 +38,9 @@
+ #elif defined(__APPLE__)
+ #include <libkern/OSByteOrder.h>
+ #define htobe64 OSSwapHostToBigInt64
++#elif defined(__HAIKU__)
++#include <ByteOrder.h>
++#define htobe64(x) B_HOST_TO_BENDIAN_INT64(x)
+ #endif
+ 
+ #include "weechat.h"
+-- 
+2.45.2
+
diff --git a/net-irc/weechat/weechat-4.1.2.recipe b/net-irc/weechat/weechat-4.5.1.recipe
similarity index 81%
rename from net-irc/weechat/weechat-4.1.2.recipe
rename to net-irc/weechat/weechat-4.5.1.recipe
index 64d3086be..e9071ce1e 100644
--- a/net-irc/weechat/weechat-4.1.2.recipe
+++ b/net-irc/weechat/weechat-4.5.1.recipe
@@ -3,11 +3,12 @@ DESCRIPTION="WeeChat (Wee Enhanced Environment for Chat) is a free chat \
 client, fast and light, designed for many operating systems. \
 It is highly customizable and extensible with scripts."
 HOMEPAGE="https://weechat.org/"
-COPYRIGHT="2003-2023 Sébastien Helleu"
+COPYRIGHT="2003-2024 Sébastien Helleu"
 LICENSE="GNU GPL v3"
 REVISION="1"
 SOURCE_URI="https://weechat.org/files/src/weechat-$portVersion.tar.xz"
-CHECKSUM_SHA256="9a9b910fbe768bb9de7c7ac944f5db8f233833f345b2e505e16ec6ef35effbb5"
+CHECKSUM_SHA256="67c143c7bc70e689b9ea86df674c9a9ff3cf44ccc9cdff21be6a561d5eafc528"
+PATCHES="weechat-$portVersion.patchset"
 ADDITIONAL_FILES="weechat.rdef.in"
 
 ARCHITECTURES="all !x86_gcc2"
@@ -26,10 +27,11 @@ REQUIRES="
 	lib:libcurl$secondaryArchSuffix
 	lib:libgcrypt$secondaryArchSuffix
 	lib:libgnutls$secondaryArchSuffix
-	lib:libgpg_error$secondaryArchSuffix # for libgcrypt
+	lib:libgpg_error$secondaryArchSuffix
 	lib:libiconv$secondaryArchSuffix
 	lib:libintl$secondaryArchSuffix
-	lib:liblua$secondaryArchSuffix >= 5.3
+	lib:libcjson$secondaryArchSuffix
+	lib:liblua$secondaryArchSuffix
 	lib:libncurses$secondaryArchSuffix
 	lib:libpython3.10$secondaryArchSuffix
 	lib:libz$secondaryArchSuffix
@@ -45,6 +47,7 @@ REQUIRES_devel="
 
 BUILD_REQUIRES="
 	haiku${secondaryArchSuffix}_devel
+#	devel:libCppUTest$secondaryArchSuffix
 	devel:libcurl$secondaryArchSuffix
 #	devel:libgc$secondaryArchSuffix
 	devel:libgcrypt$secondaryArchSuffix
@@ -53,7 +56,8 @@ BUILD_REQUIRES="
 #	devel:libguile_2.2$secondaryArchSuffix
 	devel:libiconv$secondaryArchSuffix
 	devel:libintl$secondaryArchSuffix
-	devel:liblua$secondaryArchSuffix >= 5.3
+	devel:libcjson$secondaryArchSuffix
+	devel:liblua$secondaryArchSuffix >= 5.4
 	devel:libncurses$secondaryArchSuffix
 	devel:libpython3.10$secondaryArchSuffix
 #	devel:libtclstub8.6$secondaryArchSuffix
@@ -67,6 +71,7 @@ BUILD_PREREQUIRES="
 	cmd:make
 	cmd:perl
 	cmd:pkg_config$secondaryArchSuffix
+	cmd:xgettext$secondaryArchSuffix
 	"
 
 BUILD()
@@ -76,7 +81,8 @@ BUILD()
 		-DLIBDIR=$libDir \
 		-DINCLUDEDIR=$includeDir \
 		-DDATAROOTDIR=$dataDir \
-		-DWEECHAT_HOME=~/config/settings/weechat \
+		-DWEECHAT_HOME=`finddir B_USER_SETTINGS_DIRECTORY`/weechat \
+		-DCMAKE_EXE_LINKER_FLAGS="-lnetwork" \
 		-DENABLE_GUILE=OFF \
 		-DENABLE_JAVASCRIPT=OFF \
 		-DENABLE_MAN=OFF \
@@ -85,7 +91,10 @@ BUILD()
 		-DENABLE_PYTHON=ON \
 		-DENABLE_RUBY=OFF \
 		-DENABLE_SPELL=OFF \
-		-DENABLE_TCL=OFF -Wno-dev
+		-DENABLE_TCL=OFF \
+		-DENABLE_TESTS=OFF \
+		-Wno-dev
+
 	make -C build $jobArgs
 }
 
@@ -116,3 +125,8 @@ INSTALL()
 	packageEntries devel \
 		$developDir
 }
+
+TEST()
+{
+	ctest --test-dir build --output-on-failure
+}