diff --git a/app-arch/sasquatch/sasquatch-4.5.1.5-r1.ebuild b/app-arch/sasquatch/sasquatch-4.5.1.5-r1.ebuild
new file mode 100644
index 0000000000000..4385a1b013d30
--- /dev/null
+++ b/app-arch/sasquatch/sasquatch-4.5.1.5-r1.ebuild
@@ -0,0 +1,66 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit flag-o-matic toolchain-funcs
+
+MY_PV="$(ver_rs 3 '-')"
+MY_P="${PN}-v${MY_PV}"
+DESCRIPTION="An extended version of sasquashfs-tools"
+HOMEPAGE="https://github.com/onekey-sec/sasquatch"
+SRC_URI="https://github.com/onekey-sec/sasquatch/archive/refs/tags/${MY_P}.tar.gz -> ${P}.tar.gz"
+
+S="${WORKDIR}/${PN}-${MY_P}"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="debug deprecated lz4 lzma lzo xattr zstd"
+
+REQUIRED_USE="
+	deprecated? ( !lzma )
+	lzma? ( !deprecated )
+"
+
+DEPEND="
+	sys-libs/zlib
+	lz4? ( app-arch/lz4 )
+	lzma? ( app-arch/xz-utils )
+	lzo? ( dev-libs/lzo )
+	xattr? ( sys-apps/attr )
+	zstd? ( app-arch/zstd )
+"
+
+RDEPEND="
+	!sys-fs/squashfs-tools
+	${DEPEND}
+"
+
+PATCHES=( "${FILESDIR}/${P}_signal-fix.patch" )
+
+use10() {
+	usex "${1}" 1 0
+}
+
+src_compile() {
+	# set up make command line variables in EMAKE_SQUASHFS_CONF
+	local opts=(
+		LZMA_XZ_SUPPORT=$(use10 deprecated)
+		LZO_SUPPORT=$(use10 lzo)
+		LZ4_SUPPORT=$(use10 lz4)
+		XATTR_SUPPORT=$(use10 xattr)
+		XZ_SUPPORT=$(use10 lzma)
+		ZSTD_SUPPORT=$(use10 zstd)
+	)
+
+	tc-export CC
+	use debug && append-cppflags -DSQUASHFS_TRACE
+	emake "${opts[@]}" -C squashfs-tools
+}
+
+src_install() {
+	dobin squashfs-tools/sasquatch
+	dodoc ACKNOWLEDGEMENTS CHANGES README*
+	doman manpages/*.1
+}