diff --git a/package.accept_keywords/all b/package.accept_keywords/all
index 98efb98..2eb0779 100644
--- a/package.accept_keywords/all
+++ b/package.accept_keywords/all
@@ -6,8 +6,8 @@ app-crypt/openssl-tpm-engine ~x86 ~amd64
 app-crypt/tpm-tools ~x86 ~amd64
 app-crypt/tpm-emulator ~x86 ~amd64
 app-emulation/vagrant ~x86 ~amd64
-=app-metrics/alertmanager-0.19.0 ~amd64
-=app-metrics/blackbox_exporter-0.16.0 ~amd64
+=app-metrics/alertmanager-0.21.0-r3 ~amd64
+=app-metrics/blackbox_exporter-0.18.0-r1 ~amd64
 =app-metrics/mysqld_exporter-0.11.0 ~amd64
 =app-metrics/snmp_exporter-0.15.0 ~amd64
 <app-misc/elasticsearch-7 ~x86 ~amd64
diff --git a/package.mask/all b/package.mask/all
index 7bbc004..83c82ae 100644
--- a/package.mask/all
+++ b/package.mask/all
@@ -1,6 +1,6 @@
 >=dev-lang/php-7.5
 >=dev-lang/python-3.9
->=dev-libs/boost-1.75
+>=dev-libs/boost-1.76
 >=dev-python/certifi-10001-r1
 >=dev-python/numpy-1.19
 >=dev-python/pygame-2
diff --git a/package.use/all b/package.use/all
index 1c51a8a..af8083a 100644
--- a/package.use/all
+++ b/package.use/all
@@ -126,7 +126,7 @@ media-gfx/graphviz -java -perl -gtk -tcl
 media-gfx/imagemagick -perl -openmp
 media-gfx/inkscape postscript visio
 media-gfx/librecad qt5
-media-gfx/sane-backends gphoto2 threads
+media-gfx/sane-backends gphoto2 threads -zeroconf
 media-gfx/sane-frontends gimp
 media-gfx/splashutils -truetype
 media-gfx/xsane gimp