diff --git a/poky/bitbake/bin/bitbake-worker b/poky/bitbake/bin/bitbake-worker
index f63f060..9636919 100755
--- a/poky/bitbake/bin/bitbake-worker
+++ b/poky/bitbake/bin/bitbake-worker
@@ -234,6 +234,8 @@
                     the_data.setVar(varname, value)
 
                 bb.parse.siggen.set_taskdata(workerdata["sigdata"])
+                if "newhashes" in workerdata:
+                    bb.parse.siggen.set_taskhashes(workerdata["newhashes"])
                 ret = 0
 
                 the_data = bb_cache.loadDataFull(fn, appends)
@@ -377,6 +379,7 @@
                 self.handle_item(b"cookerconfig", self.handle_cookercfg)
                 self.handle_item(b"extraconfigdata", self.handle_extraconfigdata)
                 self.handle_item(b"workerdata", self.handle_workerdata)
+                self.handle_item(b"newtaskhashes", self.handle_newtaskhashes)
                 self.handle_item(b"runtask", self.handle_runtask)
                 self.handle_item(b"finishnow", self.handle_finishnow)
                 self.handle_item(b"ping", self.handle_ping)
@@ -415,6 +418,10 @@
         bb.msg.loggerDefaultDomains = self.workerdata["logdefaultdomain"]
         for mc in self.databuilder.mcdata:
             self.databuilder.mcdata[mc].setVar("PRSERV_HOST", self.workerdata["prhost"])
+            self.databuilder.mcdata[mc].setVar("BB_HASHSERVE", self.workerdata["hashservport"])
+
+    def handle_newtaskhashes(self, data):
+        self.workerdata["newhashes"] = pickle.loads(data)
 
     def handle_ping(self, _):
         workerlog_write("Handling ping\n")