diff --git a/amd64/additional-base-lib/build.sh b/amd64/additional-base-lib/build.sh
index 04cb5a3..41f6224 100755
--- a/amd64/additional-base-lib/build.sh
+++ b/amd64/additional-base-lib/build.sh
@@ -286,7 +286,15 @@ kernel.apparmor_restrict_unprivileged_unconfined=0
 kernel.apparmor_restrict_unprivileged_userns=0
 
 EOF
+cat > ./deb-contents/DEBIAN/postinst << 'EOF'
+#!/bin/bash
+if [ -f /usr/lib/sysctl.d/additional-base-lib.conf ];then
+   sysctl -p /usr/lib/sysctl.d/additional-base-lib.conf
+fi
+true
 
+EOF
+chmod +x ./deb-contents/DEBIAN/postinst
 echo
 echo "build deb package:"
 dpkg-deb -Z xz -b ./deb-contents "./additional-base-lib_${GLIBC_VERSION}-${ABL_VERSION}_${DEBIAN_DEB_ARCH}.deb"