diff --git a/d/openjdk/SlackBuild b/d/openjdk/SlackBuild
new file mode 100755
index 00000000..c63910c5
--- /dev/null
+++ b/d/openjdk/SlackBuild
@@ -0,0 +1,21 @@
+#!/bin/bash
+set -x -e
+
+VERSION=${VERSION:-21.0.2}
+RANDOMHEX=${RANDOMHEX:-f2283984656d49d69e91c558476027ac}
+BUILD=1
+
+TAG=gwh
+TMP=/tmp/$TAG
+
+mkdir -p $TMP
+
+[ -e $TMP/java/ ] && rm -fr $TMP/java/
+
+cp -a /home/installs/mirrors/slackware64-current/extra/java/ $TMP/
+
+cd $TMP/java/ || exit 1
+
+wget -c "https://download.java.net/java/GA/jdk${VERSION}/${RANDOMHEX}/13/GPL/openjdk-${VERSION}_linux-x64_bin.tar.gz" -O "./jdk-${VERSION}_linux-x64_bin.tar.gz"
+
+BUILD=$BUILD$TAG ./java.SlackBuild "./jdk-${VERSION}_linux-x64_bin.tar.gz"