diff --git a/media-libs/mesa/mesa-9999.ebuild b/media-libs/mesa/mesa-9999.ebuild
index 3ffe004..ec786b0 100644
--- a/media-libs/mesa/mesa-9999.ebuild
+++ b/media-libs/mesa/mesa-9999.ebuild
@@ -84,7 +84,7 @@ REQUIRED_USE="
 	${PYTHON_REQUIRED_USE}
 "
 
-LIBDRM_DEPSTRING=">=x11-libs/libdrm-2.4.56"
+LIBDRM_DEPSTRING=">=x11-libs/libdrm-2.4.56:="
 # keep correct libdrm and dri2proto dep
 # keep blocks in rdepend for binpkg
 RDEPEND="
diff --git a/x11-libs/libxcb/libxcb-9999.ebuild b/x11-libs/libxcb/libxcb-9999.ebuild
index e2df007..1d901da 100644
--- a/x11-libs/libxcb/libxcb-9999.ebuild
+++ b/x11-libs/libxcb/libxcb-9999.ebuild
@@ -27,7 +27,7 @@ RDEPEND=">=dev-libs/libpthread-stubs-0.3-r1:=[${MULTILIB_USEDEP}]
 DEPEND="${RDEPEND}
 	dev-libs/libxslt
 	$(python_gen_any_dep \
-		">=x11-proto/xcb-proto-1.10[${MULTILIB_USEDEP},\${PYTHON_USEDEP}]")"
+		">=x11-proto/xcb-proto-1.10:=[${MULTILIB_USEDEP},\${PYTHON_USEDEP}]")"
 
 python_check_deps() {
 	has_version --host-root ">=x11-proto/xcb-proto-1.10[${MULTILIB_USEDEP},${PYTHON_USEDEP}]"
diff --git a/x11-libs/libxkbcommon/libxkbcommon-9999.ebuild b/x11-libs/libxkbcommon/libxkbcommon-9999.ebuild
index f6a92dd..89114c7 100644
--- a/x11-libs/libxkbcommon/libxkbcommon-9999.ebuild
+++ b/x11-libs/libxkbcommon/libxkbcommon-9999.ebuild
@@ -23,7 +23,7 @@ IUSE="X doc"
 
 DEPEND="sys-devel/bison
 	sys-devel/flex
-	X? ( >=x11-libs/libxcb-1.10[${MULTILIB_USEDEP},xkb] )
+	X? ( >=x11-libs/libxcb-1.10:=[${MULTILIB_USEDEP},xkb] )
 	>=x11-proto/xproto-7.0.24:=[${MULTILIB_USEDEP}]
 	>=x11-proto/kbproto-1.0.6-r1:=[${MULTILIB_USEDEP}]
 	doc? ( app-doc/doxygen )"