diff --git a/vars/build.vars b/vars/build.vars
index c286322..180f227 100644
--- a/vars/build.vars
+++ b/vars/build.vars
@@ -45,7 +45,7 @@ fi;
 : ${CHECK_PREREQ_FILES_DYNAMIC:='/usr/share/groff/$(groff -v 2>/dev/null | awk '\''/^GNU groff version /{print $NF}'\'')/tmac/e.tmac'};
 : ${CHECK_PREREQ_PERL_MODULES:="autodie ExtUtils::MakeMaker"};
 : ${CHECK_PATH_VARS:="PREFIX PREFIX_NATIVE PREFIX_CROSS DLCACHEDIR WORKDIR"};
-: ${CHECK_UPDATES_SKIP:="psxtypes pemagine dalist ntcon ntapi psxscl psxscl_strace ntctty ptycon"};
+: ${CHECK_UPDATES_SKIP:="gmp mpfr mpc binutils binutils_host pkgconf_host psxtypes pemagine dalist ntcon ntapi psxscl psxscl_strace ntctty ptycon pkgconf"};
 : ${CHECK_UPDATES_SHOW_NEW:=6};
 : ${CLEAR_ENV_VARS_EXCEPT:="ARG_TARBALL ARG_VERBOSE HOME PATH SHELL TERM USER"};
 : ${CLEAR_PREFIX_DIRS:="bin i686-nt32-midipix include lib lib64 libexec minipix native share tmp x86_64-nt64-midipix"};