diff --git a/common/shlibs b/common/shlibs
index 7e5c3c85fb5..ea6fde4ffe3 100644
--- a/common/shlibs
+++ b/common/shlibs
@@ -1153,10 +1153,10 @@ librygel-renderer-gst-2.6.so.2 librygel-0.26.0_1
 librygel-ruih-2.0.so.1 librygel-0.26.0_1
 librygel-server-2.6.so.2 librygel-0.26.0_1
 librygel-db-2.6.so.2 librygel-0.28.0_1
-libharfbuzz.so.0 libharfbuzz-0.9.4_1
-libharfbuzz-icu.so.0 libharfbuzz-0.9.19_1
-libharfbuzz-subset.so.0 libharfbuzz-1.7.6_1
-libharfbuzz-gobject.so.0 libharfbuzz-2.7.2_2
+libharfbuzz.so.0 libharfbuzz-5.1.0_1
+libharfbuzz-icu.so.0 libharfbuzz-5.1.0_1
+libharfbuzz-subset.so.0 libharfbuzz-5.1.0_1
+libharfbuzz-gobject.so.0 libharfbuzz-5.1.0_1
 libosinfo-1.0.so.0 libosinfo-0.2.0_1
 libspice-client-gtk-3.0.so.5 spice-gtk-0.37_6
 libspice-client-glib-2.0.so.8 spice-gtk-0.37_6
diff --git a/srcpkgs/harfbuzz/patches/fix-char-signed.patch b/srcpkgs/harfbuzz/patches/fix-char-signed.patch
new file mode 100644
index 00000000000..affcbc57dc5
--- /dev/null
+++ b/srcpkgs/harfbuzz/patches/fix-char-signed.patch
@@ -0,0 +1,29 @@
+Patch-Source: https://github.com/harfbuzz/harfbuzz/pull/3771
+From 81fe35159e4fdc5ca2c9436cc9ad2750bda64203 Mon Sep 17 00:00:00 2001
+From: psykose <alice@ayaya.dev>
+Date: Mon, 1 Aug 2022 07:45:25 +0000
+Subject: [PATCH] [repacker] fix signedness of char in tests
+
+---
+ src/test-repacker.cc | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/test-repacker.cc b/src/test-repacker.cc
+index 053c0c603..1b7e1f08b 100644
+--- a/src/test-repacker.cc
++++ b/src/test-repacker.cc
+@@ -112,9 +112,9 @@ static void start_lookup (int8_t type,
+                           hb_serialize_context_t* c)
+ {
+   char lookup[] = {
+-    0, type, // type
++    0, (char)type, // type
+     0, 0, // flag
+-    0, num_subtables, // num subtables
++    0, (char)num_subtables, // num subtables
+   };
+ 
+   start_object (lookup, 6, c);
+-- 
+2.37.1
+
diff --git a/srcpkgs/harfbuzz/template b/srcpkgs/harfbuzz/template
index 8e0947d775f..2fc515698f9 100644
--- a/srcpkgs/harfbuzz/template
+++ b/srcpkgs/harfbuzz/template
@@ -1,7 +1,6 @@
 # Template file for 'harfbuzz'
 pkgname=harfbuzz
-reverts="5.1.0_1"
-version=4.4.1
+version=5.1.0
 revision=2
 build_style=meson
 build_helper="gir qemu"
@@ -15,7 +14,7 @@ license="MIT"
 homepage="http://www.freedesktop.org/wiki/Software/HarfBuzz/"
 changelog="https://github.com/harfbuzz/harfbuzz/raw/main/NEWS"
 distfiles="https://github.com/harfbuzz/harfbuzz/releases/download/${version}/harfbuzz-${version}.tar.xz"
-checksum=c5bc33ac099b2e52f01d27cde21cee4281b9d5bfec7684135e268512478bc9ee
+checksum=2edb95db668781aaa8d60959d21be2ff80085f31b12053cdd660d9a50ce84f05
 
 libharfbuzz_package() {
 	short_desc+=" - runtime library"