diff --git a/net-irc/znc/metadata.xml b/net-irc/znc/metadata.xml
index 0f8b809..3e24db4 100644
--- a/net-irc/znc/metadata.xml
+++ b/net-irc/znc/metadata.xml
@@ -7,6 +7,7 @@
 	</maintainer>
 	<use>
 		<flag name="zlib">Enable mod_deflate-like gzip support for znc's web interface using <pkg>sys-libs/zlib</pkg>.</flag>
+		<flag name="argon2">Store password hashes using Argon2id instead of SHA-256</flag>
 	</use>
 	<upstream>
 		<remote-id type="github">znc/znc</remote-id>
diff --git a/net-irc/znc/znc-9999.ebuild b/net-irc/znc/znc-9999.ebuild
index 5884b05..8f5aa0e 100644
--- a/net-irc/znc/znc-9999.ebuild
+++ b/net-irc/znc/znc-9999.ebuild
@@ -1,13 +1,13 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
-PYTHON_COMPAT=( python3_{10..12} )
+PYTHON_COMPAT=( python3_{11..14} )
 
 inherit cmake python-single-r1
 
-GTEST_VER="1.8.1"
+GTEST_VER="1.14.0"
 GTEST_URL="https://github.com/google/googletest/archive/${GTEST_VER}.tar.gz -> gtest-${GTEST_VER}.tar.gz"
 DESCRIPTION="An advanced IRC Bouncer"
 
@@ -30,7 +30,7 @@ LICENSE="Apache-2.0"
 # "If you upgrade your ZNC version, you must recompile all your modules."
 # - https://wiki.znc.in/Compiling_modules
 SLOT="0/${PV}"
-IUSE="+icu nls perl python +ssl sasl tcl test +zlib"
+IUSE="+argon2 +icu nls perl python +ssl sasl tcl test +zlib"
 RESTRICT="!test? ( test )"
 
 # tests run znc-buildmod which is a Python script
@@ -53,12 +53,12 @@ BDEPEND="
 	)
 	test? (
 		${PYTHON_DEPS}
-		dev-qt/qtnetwork:5
+		dev-qt/qtbase:6[network]
 	)
 "
 DEPEND="
-	app-crypt/argon2
-	dev-cpp/cctz
+	dev-cpp/cctz:=
+	argon2? ( app-crypt/argon2:= )
 	icu? ( dev-libs/icu:= )
 	nls? ( dev-libs/boost:=[nls] )
 	perl? ( >=dev-lang/perl-5.10:= )
@@ -70,7 +70,7 @@ DEPEND="
 "
 
 PATCHES=(
-	"${FILESDIR}"/${PN}-1.7.1-inttest-dir.patch
+	"${FILESDIR}/${PN}-1.7.1-inttest-dir.patch"
 )
 
 pkg_setup() {
@@ -97,6 +97,7 @@ src_prepare() {
 src_configure() {
 	local mycmakeargs=(
 		-DWANT_ICU="$(usex icu)"
+		-DWANT_ARGON="$(usex argon2)"
 		-DWANT_IPV6=yes
 		-DWANT_I18N="$(usex nls)"
 		-DWANT_PERL="$(usex perl)"
@@ -109,8 +110,8 @@ src_configure() {
 	)
 
 	if [[ ${PV} != *9999* ]] && use test; then
-		export GTEST_ROOT="${WORKDIR}/googletest-release-${GTEST_VER}/googletest"
-		export GMOCK_ROOT="${WORKDIR}/googletest-release-${GTEST_VER}/googlemock"
+		export GTEST_ROOT="${WORKDIR}/googletest-${GTEST_VER}/googletest"
+		export GMOCK_ROOT="${WORKDIR}/googletest-${GTEST_VER}/googlemock"
 	fi
 
 	cmake_src_configure