diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-1.1.37-r1.ebuild b/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-1.1.37-r1.ebuild
index 1b32d4fd65..33fcae0a7d 100644
--- a/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-1.1.37-r1.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-1.1.37-r1.ebuild
@@ -15,7 +15,7 @@ if [[ ${PV} == 9999 ]] ; then
 	inherit autotools git-r3
 else
 	inherit libtool gnome.org
-	KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+	KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
 fi
 
 LICENSE="MIT"
diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-1.1.38.ebuild b/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-1.1.38.ebuild
index 79e567f3d6..e7d5b131b6 100644
--- a/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-1.1.38.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-1.1.38.ebuild
@@ -5,7 +5,7 @@ EAPI=8
 
 # Note: Please bump this in sync with dev-libs/libxml2.
 
-PYTHON_COMPAT=( python3_{10..11} )
+PYTHON_COMPAT=( python3_{10..12} )
 inherit flag-o-matic python-r1 multilib-minimal
 
 DESCRIPTION="XSLT libraries and tools"
@@ -15,7 +15,7 @@ if [[ ${PV} == 9999 ]] ; then
 	inherit autotools git-r3
 else
 	inherit libtool gnome.org
-	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
 fi
 
 LICENSE="MIT"
@@ -94,7 +94,7 @@ multilib_src_test() {
 	default
 
 	if multilib_is_native_abi && use python ; then
-		python_foreach_impl run_in_build_dir libxslt_py_emake test
+		python_foreach_impl run_in_build_dir libxslt_py_emake check
 	fi
 }
 
diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-9999.ebuild b/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-9999.ebuild
index 827b9edd55..e7d5b131b6 100644
--- a/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-9999.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/libxslt/libxslt-9999.ebuild
@@ -5,8 +5,8 @@ EAPI=8
 
 # Note: Please bump this in sync with dev-libs/libxml2.
 
-PYTHON_COMPAT=( python3_{10..11} )
-inherit python-r1 multilib-minimal
+PYTHON_COMPAT=( python3_{10..12} )
+inherit flag-o-matic python-r1 multilib-minimal
 
 DESCRIPTION="XSLT libraries and tools"
 HOMEPAGE="https://gitlab.gnome.org/GNOME/libxslt"
@@ -15,7 +15,7 @@ if [[ ${PV} == 9999 ]] ; then
 	inherit autotools git-r3
 else
 	inherit libtool gnome.org
-	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
 fi
 
 LICENSE="MIT"
@@ -51,6 +51,10 @@ src_prepare() {
 }
 
 multilib_src_configure() {
+	# Remove this after upstream merge request to add AC_SYS_LARGEFILE lands:
+	# https://gitlab.gnome.org/GNOME/libxslt/-/merge_requests/55
+	append-lfs-flags
+
 	libxslt_configure() {
 		ECONF_SOURCE="${S}" econf \
 			--without-python \
@@ -90,7 +94,7 @@ multilib_src_test() {
 	default
 
 	if multilib_is_native_abi && use python ; then
-		python_foreach_impl run_in_build_dir libxslt_py_emake test
+		python_foreach_impl run_in_build_dir libxslt_py_emake check
 	fi
 }